Robert George Petre (1861-1922) (1861–1922) Parents Henry Petre Mary Walmesley Children Sybil Mary Petre Robert John Petre Elizabeth Bertha Petre Francis William Petre Siblings Dorothy Mary Petre John Petre Mary Julia Petre Sebastian Petre Sybil Mary Petre Mabel Mary Petre Francis Petre Oswald Arthur Petre Helen Mary Petre Lucy Agnes Petre Florence Mary Petre Partners Elizabeth Grace Ferguson