Birth Name: Matthew Darren Evans
Place of Birth: Swansea, Glamorganshire, Wales
Date of Birth: 11 April, 1981
Ethnicity: Welsh, at least 1/8th Ashkenazi Jewish
Matt Ryan is a Welsh actor. He plays John Constantine across multiple DC properties. He is the son of Maria and Steve Evans. His mother runs the Maria Evans dance school.
Matt’s maternal grandfather is Alec Dennis Dubens (the son of Victor Dubensky/Dubens and Rita G. Phillips). Alec was born in Hammersmith, London, England. Victor was a Jewish emigrant, from Odessa, then in the Russian Empire, now in Ukraine, and was the son of Morris Dubensky and Hannah.
Matt’s maternal grandmother is named Mary T. Bishop.
Source: Genealogy of Matt’s maternal great-grandfather, Victor Dubensky/Dubens – https://www.geni.com