sentences:  Cochran was married to Geertruy "Gertrude" Schuyler (1724–1813), a widow who was the eldest daughter of Cornelia (née Van Cortlandt) Schuyler and Johannes Schuyler Jr., the mayor of Albany from 1740 to 1741.Gertrude was the sister of Gen. Philip Schuyler and the widow Pieter P. Schuyler (1723–1753), her cousin and the grandson of Pieter Schuyler, with whom she had two children (Cornelia, the wife of Walter Livingston and Pieter Jr., the wife of Gertrude Lansing).Together, Gertrude and John were the parents of