A sub-clan is a single Porges family branch that we have documented from primary obituary sources, but whose connection to the broader Porges family tree is not yet fully traced. Each sub-clan represents a small, internally coherent family group — a married-out Porges-born woman, her husband, her children and grandchildren, and her surviving siblings — known from one or two specific death notices published in the Prager Tagblatt or Neue Freie Presse between roughly 1880 and 1938.

Why are they called "sub-clans" rather than "branches"?

The word "branch" implies a known place on a family tree — a connection "up" to a specific patriarch. The word "sub-clan" was chosen to mark something more provisional: a documented family cluster whose matriarch is clearly a Porges by birth, whose descendants are clearly traced forward, but whose link backward to the great Prague Porges patriarchs of the 18th century is often hypothetical.

In other words: every sub-clan is real and well-documented at its centre, but the bridge connecting one sub-clan to another, or connecting a sub-clan to the main genealogical lines, is sometimes still missing.

Why do sub-clans exist at all? — the documentary problem

The Porges family began using the surname in the late 18th century, after Joseph II's 1787 patent that required Bohemian Jews to adopt fixed family names. Within two generations, the family had multiplied into dozens of households spread across Prague, Vienna, the Sudetenland, Příbram, Karolinenthal, Brüx, Steyr, Budapest, New York, and many smaller towns. By 1900, several hundred individuals across Central Europe carried the Porges surname, often without close knowledge of their distant cousins.

The records that survive — newspaper obituaries (faire-parts), tombstones, synagogue registers, business directories — give us partial views of these families. A typical 1900 obituary names the deceased, the spouse, the children and the immediate in-laws, but rarely names the deceased's grandparents or distant cousins. Two Porges-born women might appear in two separate obituaries 20 years apart, never naming each other — and we often cannot tell whether they were sisters, cousins, or unrelated bearers of the same surname.

Faced with this documentary fragmentation, the sub-clan system gives us a pragmatic way to record what we know without forcing premature genealogical claims. We say: "Here is Sub-clan X. We know these 17 people belong together because they appear in the same 1909 obituary. We don't yet know how Sub-clan X connects to Sub-clan Q, but we'll record both, give each a code, and revise the structure when new evidence arrives."

The alphabetic coding system

Each sub-clan gets a short alphabetic code — single letters first (A, B, C...), then double letters (AA, AB...), then triple (CA, CB...). Numerical suffixes mark closely-related variants (W and W2 are two separate but possibly related branches).

The codes are not chronological and not hierarchical. Sub-clan A is not "older" or "more important" than Sub-clan BX. The codes were assigned in roughly the order in which the obituaries were deciphered and integrated into the corpus — a practical numbering for cross-referencing rather than a genealogical claim.

What information does a typical sub-clan page contain?

Each sub-clan page on this site is built from one or more primary obituary documents. A complete sub-clan page typically gives:

• The matriarchal anchor: a Porges-born woman, with her death date, age at death, place of death and place of burial
• Her husband's name and approximate dates
• Her children by name, with their married names, residences, and professions where stated
• Her siblings if named in the obituary (the most valuable detail — this is what eventually links sub-clans together)
• Her in-laws (sons-in-law, daughters-in-law) and any named grandchildren
• A day-of-week verification confirming the dates from the obituary text against the Gregorian calendar
• A cross-corpus integration section noting any links to other documented sub-clans or family branches on this site
• A Holocaust trajectory section flagging which named descendants would have been at deportation risk during 1938-1945

How sub-clans get "upgraded" as evidence accumulates

The sub-clan classification is intended to be revised. As new obituaries or genealogical records are located, sub-clans that initially seemed independent can be merged, renamed, or absorbed into the main genealogical lines. Three patterns are common:

Sub-clans as a research tool

The sub-clan structure does three things at once:

1. It records what we know without overclaiming. Each sub-clan page states only what the primary obituary documents — distinguishing carefully between confirmed facts (death dates, named children) and structural hypotheses (possible sister relationships, possible cross-clan alliances).
2. It creates a stable reference framework. When a researcher cites "Sub-clan AA" in correspondence or notes, all parties know exactly which 17 people are meant — far more precise than "the Caroline Reis branch" or "the Brüx family".
3. It guides future research. Each sub-clan page ends with a Holocaust trajectory section that lists specific name-and-place combinations for cross-referencing against modern Holocaust databases (holocaust.cz, Yad Vashem, DÖW). This turns each sub-clan into a small but focused research target.

Cross-corpus alliances — the marriages between in-law families

One of the most striking patterns to emerge from the sub-clan analysis is the recurrence of multi-marriage in-law alliances: families that married Porges men and women repeatedly across one or two generations, forming dense bourgeois Jewish kinship networks. Notable documented alliances include:

• Reitlinger-Porges — triple sister-marriage (Sub-clan B + Auspitz)
• Pereles-Porges — multi-generation cluster (Sub-clans D + N)
• Bondy-Porges — multi-marriage (Sub-clan B + Sub-clan W2)
• Schalek-Porges — double sister-marriage (Schalek-Porges Adolf cohort)
• Pick-Porges-Kohn — triple alliance across sub-clans M, W and AB
• Sgalitzer-Porges — double brother-sister marriage (Sub-clans BR + BX)
• Pollatschek-Reis-Porges — double-sister marriage in Sub-clan AA
• Kohn-Porges — bidirectional, with Porges women marrying Kohn men (Sub-clan Y3) and Kohn women marrying Porges men (Sub-clan AN)

These alliances reflect the typical late-imperial Bohemian-Jewish bourgeois endogamy pattern, in which capital and social networks were consolidated through carefully negotiated cousin and sibling marriages between a small number of allied merchant families. Tracing these alliances is one of the most productive research directions of the entire sub-clan project.

For the curious reader: each sub-clan page on this site can be read in isolation as a self-contained micro-history of one Porges family branch, or together as one chapter of the larger Porges story. The sub-clan codes are linguistic markers of provisional knowledge — they remind us that genealogical truth is built piece by piece, and that today's fragmentary documentation becomes tomorrow's verified family tree as more evidence accumulates.

Source: obituaries published in Prager Tagblatt (Prague, 1878–1938) and Neue Freie Presse (Vienna, 1864–1939); cross-checked against the established Porges family-tree pages on this site.