Complex sentence: He married Elizabeth Meyer (ca.1774-1856), their son Clarkson Crolius, Jr. (b.1801), discontinued the manufacture of stoneware in Bayard Street in 1845, and the pottery was afterwards demolished.
Split into simpler sentences: He married Elizabeth Meyer (ca.1774-1856). Their son Clarkson Crolius Jr. (b.1801) discontinued the manufacture of stoneware in Bayard Street in 1845, and the pottery was afterwards demolished.