Birth Name: Matthew F. Bair
Place of Birth: Seaford, New York, U.S.
Date of Birth: June 2, 1987
*father – Scottish, English, one eighth Finnish, distant Welsh
*mother – Ashkenazi Jewish
Matthew Koma is an American singer, songwriter, DJ, and record producer.
He is the son of Rhonda and Gerald Bair. Matthew has stated that he celebrates Jewish holidays with his grandmother.
Matthew is married to actress and singer Hilary Duff, with whom he has two children.
Matthew’s paternal grandfather was Darvin/Darwin Silvan Bair (the son of Gerald Raphael Bair and Rose Mattson). Darvin was born in Utah. Gerald was the son of George Orton Bair and Velira Louisa Richardson, whose father was English. Rose was the daughter of Finnish parents, Erkki/Eric Aaponpoika/John Uusimäki/Mattson, from Lappajärvi, and Hulda Maria Esaiasdotter/Esaiantytär Heikkilä, from Ylivieska.
Matthew’s paternal grandmother was Beverly/Beverley Janet Stuart (the daughter of Thomas John Stuart and Gertrude Elizabeth Hall). Gertrude was the daughter of Scottish parents, William Hall and Jessie.
Matthew’s maternal grandfather is named Fred Kahan.
Matthew’s maternal grandmother is Rosalyn/Roslyn Zahler (the daughter of Samuel/Sam Zahler and Frieda/Freda Teitel/Teitelbaum). Roslyn was born in New York, to Jewish parents from Galicia. Samuel was the son of Isidor Zahler and Ida Huett. Frieda was the daughter of Solomon Teitel and Yetta/Jetta Sivaller.
Sources: Mention of Matthew’s parents – http://www.newsday.com
Genealogy of Matthew’s paternal grandfather, Darvin/Darwin Silvan Bair – https://www.geni.com
Matthew’s maternal grandmother, Rosalyn/Roslyn Zahler, on the 1930 U.S. Census – https://www.familysearch.org