Queen Elizabeth II's grandson Peter Phillips and his wife, Autumn Phillips, attended Whatley Manor Hotel International Horse Trials at Gatcombe Park in Gloucestershire, England on September 12, 2015 with their daughters, Savannah (right) and Isla (left).
Family fun for British royals at Gatcombe Park
Savannah Phillips and James, Viscount Severn play on an inflatable slide during the Festival of British Eventing at Gatcombe Park in Gloucestershire, England on August 8, 2015.