Just found a connection between John Marriner Redmayne and his descendant Eddie Redmayne, the actor.
John Marriner Redmayne
Sir Richard Augustine Studdert Redmayne
John Redmayne (1904-1974)
Richard C.T. Redmayne (b. 1938)
Eddie Redmayne, actor (b. 6 Jan 1982)
Annie Geraldine Redmayne
Geraldine Bryde Tennant (1889-1974)
Sir Iain Colquhoun of Luss 8th Bt (1916-2008)
Iona Colquhoun, Dowager Duchess of Argyll third cousin
Torquhil Ian, Duke of Argyll (b. 1968)
Fiona Bryde Colquhoun (1918-2013) md 1937 8th Earl of Arran
Arthur, 9th Earl of Arran (b. 1938) third cousin
Lady Laura Fortescue-Gore md James Duckworth-Chad
Robina Colquhoun (1922-2015)
Sir Michael Wigan, 6th Bt third cousin
Kathleen Tennant md 1916 John, 9th Duke of Rutland
Charles, 10th Duke of Rutland
David, 11th Duke of Rutland (b. 1959) third cousin
Hope this is of some help.
Shinjinee