The wash drains into the southern region of the slightly north-west by due south Sulphur Springs Valley, east of north-south running U.S. Route 191 and the small communities of Elfrida, McNeal, and Sunizona.
One of his granddaughters, the daughter of his son Alfred Roosevelt, Elfrida Roosevelt, married Sir Orme Bigland Clarke, 4th Baronet.
An early piece of Juvenilia, Frederick and Elfrida, is dedicated to her As a small testimony of the gratitude I feel for your late generosity to me in finishing my muslin Cloak, I beg leave to offer you this little production of your sincere Friend and later writings prove that she had been allowed to see the manuscripts for Love and Freindship sic and for First Impressions, an early version of Pride and Prejudice and an honor accorded to few.
Through his grandmother, Elfrida Roosevelt (Lady Clarke, wife of Sir Orme Bigland Clarke, Bt. CBE) he is related to U.S. President Theodore Roosevelt.