In the family of "Sir Thomas Grosvenour, kt. sonne of sir Robert Grosvenour, ..." and "Joane, daughter of sir Richard Venables of Kinderton, ..." is listed "Robert Grosvenour, esquire. hee died in Jan. 1464" who married "Joane, daughter of sir Lawrence Fitton of Gawesworth, wife of Robert, 3 Hen. V. 1415."
↑ Birth year estimated based on known year of marriage, approx birth years of his parents and estimated birth year of his brother Thomas.