Arden Mary Tyrwhitt (1860-1922) (1860–1922) Parents Emma Wilson, 7th and 12th Baroness Berners Henry Thomas Tyrwhitt Children Edward Knollys Alexandra Louvima Elizabeth Knollys Siblings Clement Tyrwhitt Harry Tyrwhitt-Wilson Rupert Tyrwhitt Sybil Grace Tyrwhitt John Tyrwhitt Hester Efa Tyrwhitt Leonard Francis Tyrwhitt Philip Bourchier Tyrwhitt Hugh Tyrwhitt Thomas Knyvet Tyrwhitt Raymond Tyrwhitt-Wilson, 13th Baron Berners Partners Francis Knollys, 1st Viscount Knollys