John Bernard Collier (1920-1993) (1920–1993) Parents Lily Ermengarde Grant Duff Gerard Collier Children Sarah Collier Piers Markham Collier Anna Lee Collier Siblings Perceval Gerard Collier Anna Evangeline Collier Paul Robert Gerard Collier William Adrian Larry Collier, 4th Baron Monkswell of Monkswell Partners Elsie Dunbar