Derrick Westenra, 5th Baron Rossmore Anglo-Irish noble (1853–1921) Parents Josephine Julia Helen Lloyd Henry Westenra, 3rd Baron Rossmore Children Richard Westenra Mary Bailey William Westenra, 6th Baron Rossmore Siblings Henry Westenra, 4th Baron Rossmore Frances Kathleen Westenra Peter Craven Westenra Richard Hamilton Westenra Norah Josephine Harcourt Westenra Partners Mittie Naylor