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William Addams Reitwiesner

William Addams Reitwiesner (March 8, 1954 – November 12, 2010) was an American genealogist who traced the ancestry of United States political figures, European royalty and celebrities.[1]

William Addams Reitwiesner

(1954-03-08)March 8, 1954

November 12, 2010(2010-11-12) (aged 56)

  • George Walter Reitwiesner
  • Homé Stephens McAllister

Biography[edit]

Reitwiesner was born on March 8, 1954, in Havre de Grace, Maryland,[1] the son of Homé Stephens (McAllister) and George Walter Reitwiesner. He grew up in Aberdeen, Maryland and Silver Spring.[1] His grandfather, Addams Stratton McAllister, was a board member of the National Genealogical Society, and from the age of five, Reitwiesner would explore his grandfather's library.


After graduating from Montgomery Blair High School in 1972, Reitwiesner joined the Library of Congress's Congressional Research Service (CRS) as a cart pusher. He spent the rest of his working life in menial jobs at the Library of Congress so that he could devote his time pursuing his interest in genealogy.[1] Although much of his work was self-published on the internet, he acquired a reputation for meticulousness and accuracy[1] and many genealogists cited him in their publications.


He died of cancer in Washington, D.C. on November 12, 2010.[1]

William Addams Reitwiesner (1981). . Silver Spring, MD. OCLC 11840295.{{cite book}}: CS1 maint: location missing publisher (link)

The American Ancestors and Relatives of Lady Diana Frances Spencer

William Addams Reitwiesner; Gary Boyd Roberts (1984). . Genealogical Publishing Company. OCLC 1102303850.

American Ancestors and Cousins of the Princess of Wales

Gary B. Roberts; William A. Reitwiesner (1984). . Baltimore, MD: Genealogical Publishing Company. OCLC 241576496.

American ancestors and cousins of the Princess of Wales : the New England, Mid-Atlantic, and Virginia forebears, near relatives, and notable distant kinsmen, through her American great-grandmother, of Lady Diana Frances Spencer, now Her Royal Highness the Princess of Wales

William Addams Reitwiesner (1989). . Washington, D.C.: William Addams Reitwiesner. OCLC 723183420.

Matrilineal descents of the European royalty : a work in progress

William Addams Reitwiesner (1989). . OCLC 23709278.

Matrilineal descents of the European royalty. Introduction ; Who is Prince Frederick von Anhalt?

William Addams Reitwiesner (1990). . Washington D.C.: William Addams Reitwiesner. OCLC 54388929.

Reitwiesner families in the United States : a preliminary report

William Addams Reitwiesner (1990). . unknown: unknown. OCLC 982380719.

Consolidated index to the Neue Folge of Europaische Stammtafeln (Stammtafeln zur Geschichte der europäischen Staaten)

William Addams Reitwiesner (1993). . Washington, D.C.: unknown. OCLC 1099887518.

Matrilineal descents of the European royalty

William Addams Reitwiesner (1994). . Washington, D.C.: William Addams Reitwiesner. OCLC 1126332869.

Matrilineal ancestry of the matrilineal descents : supplemental volume to the fourth edition, revised of matrilineal descents of the European royalty

William Addams Reitwiesner (1995). . Washington, D.C.: William Addams Reitwiesner. OCLC 35910454.

The Lesbian Ancestors of Prince Rainier of Monaco, Dr. Otto von Habsburg, Brooke Shields, and the Marquis de Sade

William Addams Reitwiesner (1997). . Washington, D.C.: William Addams Reitwiesner. OCLC 37654964.

Matrilineal descents of the European royalty : a work in progress

William Addams Reitwiesner (2004). . Lansing, Michigan. OCLC 75183242.{{cite book}}: CS1 maint: location missing publisher (link)

The ancestors of Senator John Forbes Kerry (b. 1943)

William Addams Reitwiesner (2011). . Boston, MA: New England Historic Genealogical Society. OCLC 711076159.

The Ancestry of Catherine Middleton: Who Will Marry Prince William of Wales 29 April 2011

Charles M. Marsteller; William Addams Reitwiesner; Linda Davis Reno; Mike Marshall (2015). . San Francisco, CA: William Addams Reitwiesner. OCLC 921887130.

St. Mary's Co, MD: ancestry of President Barak Obama (b. 1961)

Genealogy of William Addams Reitwiesner