https://en.m.wikipedia.org/wiki/Sainthill_Eardley-Wilmot
Sainthill Eardley-Wilmot was born into an upper middle class family in 1852.
His paternal grandfather was Sir John Eardley-Wilmot who served as governor of Van Diemen's Land, Tasmania.
His unusual forename originated from his ancestor Frances Sainthill.
Eardley-Wilmot married Emma, daughter of George Casey, on 1 December 1884. Emma died shortly after the birth of their first child, Helen Eardley-Wilmot.
He later married Mabel Boisragon Winter, daughter of W.H. Winter in 1891; they had one daughter named Mabel Eardley-Wilmot.
Grandson
https://en.m.wikipedia.org/wiki/Michael_Dummett
Sir Michael Anthony Eardley Dummett[a] FBA (1925–2011) was an English academic described as "among the most significant British philosophers of the last century and a leading campaigner for racial tolerance and equality."[5] He was, until 1992, Wykeham Professor of Logic at the University of Oxford.