Kammala wannan jumla:
1900 Galveston guguwa cewa ta tsira. Masterson yana da ɗan'uwa ɗaya da 'yar'uwa ɗaya, Wilmer D. Masterson da Lewis Fisher. Masterson kuma ta yi amfani da 'yan uwanta don haƙa ma'adinai a cikin ma'adinan tungsten a Nederland. Dukkanin 'yar'uwarta, Amanda Masterson, da kuma dan uwanta, Wilmer Dallam Masterson IV, sun halarci UT.