Moreland township, Montgomery county, March 17, 1789.
THREE DOLLARS Reward.

    RAN away from the subscriber, living in Moreland township, Montgomery county, on the eighth day of January last, a Negroe man named JESS, about 45 years of age, 5 feet 7 or 8 inches high, of a black complexion, slim built, had on, when he went away, a surtout of grey coating, with plain metal buttons, velvet cape, fore part lined with green baize, a white flannel under jacket, two shirt, buckskin breeches, blue woollen stockings, old shoes, and an old felt hat. Whoever takes up said Negroe, and secures him in any gaol, so that his master may get him again, shall receive the above reward and reasonable charges, paid by

Garret Wynkoop.

    Richard Wynkoop, in the 1904 edition of the Wynkoop Genealogy in the United States of America, has this to say about Garret Wynkoop on page 68:

    163. Gerrit Wynkoop (Philip 48, Gerret 5, Cornelius 1), Philip "Winekoop" had a child baptized February 9, 1744, Abington, Pa., but no name recorded: it was this Gerrit.
    Gerrit died in 1822, aged 78 years. He married, March 28, 1793, Nancy Van Horn, Abington church. She died, in 1837, aged 86 years. He was an executor of the will of his father, in 1771.
    Child of Gerrit and Nancy Wynkoop:
400. Margaret: bp. Jan. 16, 1800, Abington church: m. George M. Woodward, of Burlington County, N. J., who died there, in 1850, aged 65. She was living in the same place, in 1868, and had six living children.

Source:

Unknown, The Pennsylvania Gazette, Philadelphia, Pa., Wednesday 25 March 1789: