Alexander Diefenderfer, who accompanied his brother Michael to America, received a warrant for 150 acres of land, then in Bucks county, and now lying partly in Bucks and partly in Lehigh County, on June 1, 1734. This tract was located east of the Berks county line, near the present Kraussdale. In the Journals of the Proprietary Land Office, is this entry: "Dec. 4, 1739, Rec'd of Alexander Defenderfer, in part for land in Milford township, 8.0.0 pounds sterling"

Alexander Diefenderfer was naturalized in September 1740. He farmed his tract of land and was a prominent man in the community. He was a member of the Great Swamp Reformed Congregation, where he was buried. He died 29, 1768. His widow, Gertrude, died in 1789, in Macungie Township. They had five children: Anna Margaret, Godfrey, Gertrude, Alexander and John.