Birth Name: Catherine Zeta Jones
Place of Birth: Swansea, Glamorganshire, Wales
Date of Birth: 25 September, 1969
Ethnicity: Welsh, smaller amounts of Irish and English
Catherine Zeta-Jones is a Welsh actress. She won the Academy Award for Best Supporting Actress for Chicago (2002).
Her father is of Welsh descent. Her mother is of Welsh, English, and Irish ancestry. She is married to American actor Michael Douglas, with whom she has two children.
Catherine’s paternal grandfather was Bertram G. Jones (whose parents’ surnames were Jones and Johns). Bertram was born in Swansea, Glamorganshire, Wales.
Catherine’s paternal grandmother was Zeta Davies (whose parents’ surnames were Davies and Morgan). Catherine’s grandmother Zeta was born in Swansea, Glamorganshire.
Catherine’s maternal grandfather is William Edgar Fair (the son of Ernest George Fair and Edith Margaret Williams). William was born in Swansea. Ernest was born in Swansea, to English parents, from Devon, William Fair and Agnes Pugsley. Edith was the daughter of James Williams and Ruth Lewis.
Catherine’s maternal grandmother is named Kathleen/Catherine O’Callaghan.
Source: Genealogy of Catherine Zeta-Jones (focusing on her mother’s side) – http://worldconnect.rootsweb.ancestry.com