GENEALOGICAL NOTES references his baptism and death records at Brick Church Cemetery records Marlboro, NJ as well as a Smock Genealogy, etc. The Betzler ref lists his birth as being in 1749 in Holmdel, NJ and says that Sara Lane was his cousin. Anne Pette Miles (Monmouth Co, NJ researcher) said dates for him and his wife are from a Bible record.
Geneological Notes on the Smock Family - Married at 1st Dutch Church, Marlborough, NJ. Hendrick Smock was born at the Smock ancestral home near Holmdel. He was married to his cousin, Sarah Lane, daughter of Aaron Lane and Sarah Covenhoven. Hendrick Smock is on the church record as an elder in the Reformed Dutch Church of Freehold-Middletown; and several of his children are recorded as baptized members of this church. He was a Captain in the Revolutionary Army. He was also a member of the New Jersey Provincial Assembly. His home was in Freehold twp. in that part set off later as Atlantic; and about three miles east of the village of Marlborough. Died at 64 years 5 mo.