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:

• John b 3-6-1722

• Richard b 6-12-1723

• Israel b 6-9-1726 m Sarah Massey

• Joseph b 10-25-1728

• Benjamin b 3-5-2731

• Elizabeth b 10-5-1732 m Col. Caleb Parry

• Hannah b 12-12-1735 m David Rittenhouse

• Mary b 6-1-1738 m John Goheen

• Isaac b 10-13-1741 m, Hannah Trimble

• Jesse died unmarried

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.