Family:Robert Morris and Mary White (1)

Per Papenfuse², Mary was the half-sister of William White, Bishop of Pennsylvania.

1. ↑ Christ Church (Philadelphia, Pennsylvania : Episcopal : Second and Church St.). Marriage record of Christ Church, Philadelphia, 1709-1806. (Harrisburg, Pennsylvania: C.M. Busch, 1896).
2.   Papenfuse, Edward C; Alan F Day; David W Jordan; and Gregory A Stiverson. A Biographical dictionary of the Maryland legislature, 1635-1789. (Baltimore [Maryland]: Johns Hopkins University Press, c1979-1985)
   426:380.

   ... Mary [White] (?-1827), who married Robert Morris (1734-1806), a merchant of Philadelphia, financier of the American Revolution, member of the Continental Congress from 1776 to 1778, signer of the Declaration of Independence, member of the Pennsylvania assembly from 1778 to 1780 and from 1785 to 1787, member of the U.S. Senate from 1789 to 1795, founder of the Bank of North America ...