Birth Name: William Kreutzmann
Place of Birth: Palo Alto, California, United States
Date of Birth: May 7, 1946
Ethnicity: German (around half), Irish, English, Scottish, 1/32 Scots-Irish/Northern Irish
Family Background: Bill Kreutzmann is an American musician. He was a member of the rock band Grateful Dead, in which he played the drums.
Bill is the son of Janice Beryl (Shaughnessy) and William Kreutzmann. His maternal grandfather was football coach and innovator Clark Shaughnessy.
Bill’s paternal grandparents were Henry Adolph Robert Kreutzmann (the son of Henry Joseph Kreutzmann and Marie Bertha Kitz) and Pearl K. Schwenk (the daughter of William P. Schwenk and Katie Hogan). Henry was born in San Francisco, to German parents. Bill’s great-grandfather William had German ancestry. Katie had Irish and German ancestry.
Bill’s maternal grandparents were Clark Daniel Shaughnessy (the son of Edward Shaughnessy and Lucy Ann Foster) and Louvania Mae Hamilton (the daughter of William Wilson Hamilton and Louvania Alice Goff). Edward was born in Pennsylvania, to Irish parents. Lucy was Canadian. William possibly had Scottish and English ancestry. Louvania’s mother had German, Scots-Irish, and possibly English, ancestry.
Source: Genealogy of Bill Kreutzmann (focusing on his father’s side) – https://www.geni.com/people/Bill-Kreutzmann/6000000034841623857
http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=kreutz123&id=I36
Genealogy of Bill’s father – https://familysearch.org/tree/#view=ancestor§ion=details&person=LDTW-JZ5&parents=LDTW-J27_MWJ7-S7H
Genealogy of Bill’s mother – https://familysearch.org/tree/#view=ancestor§ion=details&person=LDTW-J6Q&spouse=LDTW-JZ5
Genealogy of Bill’s great-grandmother, Pearl Schwenk – http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=jlauman_1&id=I078240