Robert Sean Leonard
Birth Name: Robert Lawrence Leonard
Place of Birth: Westwood, New Jersey, U.S.
Date of Birth: February 28, 1969
Ethnicity: Irish, English, German, Welsh
Robert Sean Leonard is an American actor. He is the son of Joyce and Robert Leonard. He is married to professional horse racer Gabriella Salick, with whom he has two children.
Robert’s paternal grandfather was named Howard Leonard. Howard was born in New York.
Robert’s paternal grandmother was Margaret Elizabeth Sugrue (the daughter of Michael Francis Sugrue and Mary Elizabeth McCool). Margaret was born in New Jersey. Michael was born in Pennsylvania, to Irish parents, John Patrick Sugrue and Hannora/Honora Murphy. Robert’s great-grandmother Mary Elizabeth was born in Pennsylvania, also to Irish parents.
Robert’s maternal grandfather was Lawrence G. Peterson (the son of Elmer Ludlam Peterson and Florence R. Gwynne). Lawrence was born in New Jersey. Elmer was the son of Jacob L. Peterson and Margaret Paxton. Florence was the daughter of Lawrence Gwynne and Mary Liney.
Robert’s maternal grandmother was named Margaret May Sprouse. Margaret was born in Virginia.
Source: Robert’s maternal grandfather, Lawrence G. Peterson, on the 1930 U.S. Census – https://familysearch.org