Birth Name: Tyler Robert Joseph
Place of Birth: Columbus, Ohio, U.S.
Date of Birth: December 1, 1988
Ethnicity: English, German, Dutch, possibly other
Tyler Joseph is an American singer, songwriter, multi-instrumentalist, record producer, and rapper. He is the lead vocalist and keyboardist for the American musical duo Twenty One Pilots, in which he works with Josh Dun.
Tyler is the son of Kelly, from New Jersey, and Christopher Joseph. He is married to Jenna Black.
Tyler’s paternal grandparents are named Robert O. “Bobby” Joseph and Nancy K.
Tyler’s maternal grandfather is Robert H. Stryker (the son of Raymond Eugene Stryker and Evelyn Lida Cook). Raymond was the son of Raymond Cyrenus Stryker and Nora J. Apgar. Evelyn was the daughter of Hovey Reid Cook and Lida Crappe.
Tyler’s maternal grandmother is named Joan.
Source: Obituary of Tyler’s maternal great-grandmother, Evelyn Lida (Cook) Stryker – https://www.legacy.com