▁only ▁surv iving ▁son , ▁Daniel ▁Par ke ▁C ust is , ▁was ▁the ▁first ▁husband ▁of ▁Mar tha ▁Washington . ▁ ▁Notes ▁ ▁he ▁was ▁born ▁ 1 5 6 7 ▁ ▁References ▁Will ▁in ▁Pr er og ative ▁Court ▁of ▁Can ter bury ▁Register ed ▁Will s , ▁S ear le ▁ 2 8 7 , ▁Princi pal ▁Pro b ate ▁Reg istry , ▁London , ▁England . ▁K ne eb one , ▁John ▁T ., ▁et ▁al ., ▁ed s . ▁Dictionary ▁of ▁Virginia ▁Biography ▁( Rich mond : ▁Library ▁of ▁Virginia , ▁ 1 9 9 8 - ▁▁ ▁), ▁ 3 : 6 3 6 - 6 3 9 . ▁ ▁. ▁Zu pp an , ▁Jo . ▁" John ▁C ust is ▁of ▁Williams burg , ▁ 1 6 7 8 - 1 7 4 9 ," ▁Virginia ▁Magazine ▁of ▁History ▁and ▁Biography ▁ 9 0 ▁( 1 9 8 2 ): ▁ 1 7 7 - 1 9 7 . ▁ ▁External ▁links ▁ ▁John ▁C ust is ▁at ▁Encyclopedia ▁Virginia ▁ ▁Category : 1 6 7 8 ▁birth s ▁Category : 1 7 4 9 ▁death s ▁Category : American ▁plan ters ▁Category : B rit ish ▁North ▁American ▁Ang lic ans ▁Category : C ust is ▁family ▁of ▁Virginia ▁Category : Pe ople ▁from ▁North am pton ▁County , ▁Virginia ▁Category : Pol it icians ▁from ▁Williams burg , ▁Virginia ▁Category : V ir gin ia ▁Governor ' s ▁Council ▁members ▁Category : American