Jacobs, John and Richard, settled on the Perkioman Creek about the year 1700. John Jacobs, Jr son of John, was married 9-2-1721, to Mary, dau of Richard and Elizabeth Lewis Hayes, of Haverford, and had the following children:
From Richard, the 2nd son, it is thought that the Jacobs family of Lancaster Co is descended.
John Jacobs (3) married
1-3-1763, Elizabeth, dau of John Havard, of Tredyffrin, and about the same
time settled in Whiteland twp, Chester Co, having purchased several contiguous
farms in the Great Valley. From 1762-1776 he served as a member of
the Assembly, being Speaker of that body during the latter year; was a member
of the constitutional Convention of July 15, 1776, and in 1777 one of the
commissioners which met at New Haven to regulate the price of commodities in
the colonies. He died in May, 1780. His eldest son, Benjamin,
received a good education, studied las, and practiced surveying and
conveyancing, and was appointed under the constitution of 1790 an associate
judge of the Court of Common Pleas. He was disowned by Friends 10-9-1777, for
signing paper currency for carrying on the war.