Perceval Gerard Collier (1915-1999) (1915–1999) Parents Gerard Collier Lily Ermengarde Grant Duff Children Anthony Gerard Collier Gavin Gerard Collier Tessa Jill Collier Siblings Anna Evangeline Collier John Bernard Collier Paul Robert Gerard Collier William Adrian Larry Collier, 4th Baron Monkswell of Monkswell Partners Brenda Mary Fortescue Sheila Macpherson Lorraine Walker