Dorothy St Quintin wife of Sir William Cayley, 1st Baronet; daughter of Sir William St Quintin, 1st Baronet, and Mary Lacy (1615–1684) Parents Sir William St Quintin, 1st Baronet Mary Lacy Children Cornelius Cayley Sir William Cayley, 2nd Baronet Siblings Katherine St Quintin Frances St Quintin Sir Henry St Quintin, 2nd Baronet Partners Sir William Cayley, 1st Baronet