Birth Name: John Robert Isner
Place of Birth: Greensboro, North Carolina, U.S.
Date of Birth: April 26, 1985
Ethnicity: English, Irish, possibly German
John Robert Isner is an American professional tennis player. He was born in Greensboro, North Carolina, the son of Robert “Bob” Stuart Isner and Karen (Hobbs). His brothers are Jordan and Nathan.
His maternal grandparents were Betty White (the daughter of Henry White and Julia McPherson) and Will Hobbs.
Source: http://www.tennis.com/
Obituary of John’s maternal grandmother, Betty White Hobbs – http://obits.dignitymemorial.com/
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