Birth Name: Rainn Dietrich Wilson
Place of Birth: Seattle, Washington, U.S.
Date of Birth: January 20, 1966
Ethnicity: Dutch, English, Norwegian
Rainn Wilson is an American actor, comedian, writer, director, businessperson, and producer. He is known for his role on the series The Office. Rainn is married to writer Holiday Reinhorn, with whom he has a son.
Rainn’s paternal great-great-grandparents were Gabriel Vellesen Veen/Wilson/Willeson and Abegael/Abigael Isaksdatter Noraas/Nordaasen, who were Norwegian. Gabriel was from Bjerkreim.
Rainn’s maternal grandfather was Roland Harrison “Rollie” Whitman (the son of Theodore Orick Whitman and Edna K. Mosher). Roland was born in Michigan. Theodore was the son of Harrison Nathan Whitman and Henrietta Louisa Fales. Edna was the daughter of Charles Emory “Charlie” Mosher and Susannah Jane Garrison.
Rainn’s maternal grandmother was Katherine J. Williams (the daughter of Theodore Williams/Willems and Anna Weyenberg). Katherine was born in Wisconsin. Theodore was born in Wisconsin, to Dutch parents, Cornelius Willems and Johanna van Dijk. Anna was born in Wisconsin, to Dutch parents, Daniel Weyenberg/van Weijenberg and Rosa Jacoba Coenen.
Genealogy of Rainn Wilson (focusing on his mother’s side) – http://www.geni.com