Lady Sophia Osborne (1661-1746) (1661–1746) Parents Bridget Osborne, Duchess of Leeds Thomas Osborne, 1st Duke of Leeds Children Mathilda Fermor Thomas Fermor, 1st Earl of Pomfret Siblings Martha Osborne Peregrine Osborne, 2nd Duke of Leeds Lady Catherine Osborne Lady Bridget Osborne Lady Anne Osborne Edward Osborne Partners Donogh O'Brien, Lord Ibracken William Fermor, 1st Baron Leominster
