 His maternal grandfather was Major General William H. French of the class of 1837.Oscar Straub was the son of Colonel Oscar I. Straub of the class of 1887, and the grandson of Brigadier General E. Van A. Andruss, from the class of 1864.In addition, John R. Mendenhall's father John Ross Mendenhall had attended the Academy but dropped out in 1881 without graduating, and his grandfather, Colonel John Mendenhall, was a graduate of the class of 1851.