Birth Name: Andrew Grammer
Place of Birth: Los Angeles, California, United States
Date of Birth: December 3, 1983
Ethnicity: German, English, Swedish, Irish, distant Dutch
Andy Grammer is an American singer, songwriter, musician, and record producer. He is the son of Kathryn and Red Grammer (Robert Crane Grammer), a musician. Andy is married to singer and songwriter Aijia Guttman, with whom he has a daughter. He is a member of the Bahá’í Faith.
Andy is a third cousin of actor and entertainer Kelsey Grammer, and a third cousin, once removed, of Kelsey’s daughter, actress and beauty queen Greer Grammer. Andy and Kelsey share paternal great-great-grandparents.
Andy’s paternal grandfather was Allen Halstead Grammer (the son of Allen Luther Grammer and Malvina Augusta Halstead). Andy’s great-grandfather Allen was the son of Allen Jefferson Davis Grammer and Clara Frances Brinkerhoff. Malvina was the daughter of Charles D. Halstead and Fanny I.
Andy’s paternal grandmother was Katharine Jane Krom (the daughter of Charles Sahler Krom and Katharine Banks).
Andy’s maternal grandfather was David John Willoughby (the son of Ross Albert Willoughby and Helen Pauline Swanson). David was born in Illinois. Ross was the son of David Willoughby and Ellen Hanrahan. Andy’s great-grandmother Helen was born in Chicago, Illinois, to Swedish parents, John Swanson and Minnie Paulson.
Andy’s maternal grandmother was named Florence L.
Sources: Andy’s maternal grandfather, David John Willoughby, on the 1930 U.S. Census – https://familysearch.org
Obituary of maternal grandfather, David John Willoughby – https://www.meaningfulfunerals.net