"[1] In 1912 and 1913, he was a member of the Cooperstown team that won the U.S. Open Polo Championship, and in 1919 and 1920, he was a member of the Meadow Brook teams, along with Devereux Milburn (who married Nancy Steele, a sister of his wife[3]), Robert Early Strawbridge Jr., F. H. Prince Jr., and J. Watson Webb, that also won the Championship.

[1] In 1951, he was one of the founders of the National Museum of Racing in Saratoga Springs, New York and served as an executive vice president until his death.

[1] In June 1915,[4] he was married to Kathryne Nevitt Steele (1896–1981)[5] in the Church of the Advent in Westbury, New York with Harold Stirling Vanderbilt as von Stade's best man.

[3] His wife was a daughter of Charles Steele, a prominent lawyer who became a partner in J.P. Morgan & Co.[6] The von Stades eventually took over the Steele residence in Southampton, New York and commissioned society architects Cross & Cross to build them a home in Old Westbury, next door to her parents, in 1914.

[1] Together, they were the parents of eight children, including: Von Stade died at his home on Powell's Lane in Old Westbury, New York on February 19, 1967.