Robert's second marriage, which occurred on June 25, 1934 in Washington, D.C., was to Ruth "Kitty" (Leavitt) Meeker (1904–1984), daughter of William Homer Leavitt and Ruth Bryan Owen, and granddaughter of United States Secretary of State, William Jennings Bryan. They had one son, cinematographer and director, Robert "Robin" Owen Lehman Jr. Meeker had three daughters from her first marriage to William Painter Meeker (1902–1983) whom she divorced in 1933: Ruth Meeker, Helen Meeker, and Kathrine Meeker. Robert and Ruth Meeker's marriage also ended in divorce in 1951.