 Mildred Walpole found it hard to settle in New Zealand , and something of her restlessness and insecurity affected the character of her eldest child . In 1889 , two years after the birth of the couple 's daughter , <unk> ( " Dorothy " ) , Somerset Walpole accepted a prominent and well @-@ paid academic post at the General <unk> <unk> , New York . Robert ( " Robin " ) , the third of the couple 's children , was born in New York in 1892 . Hugh and Dorothy were taught by a governess until the middle of 1893 , when the parents decided that he needed an English education . 
