Reuben's father, Jonas was the son of Philip Jacob Shellhammer, b. 22 Feb. 1759 in Heidelburg Twp., Northampton Co., PA. He died 21 Nov. 1836 and is buried in Zion Stone Church Cemetery in Snyders, PA.His father was the immigrant Hans George(Jurg) Shellhammer b. approx. 1727 and died 12 Mar. 1797.Philip m. Elizabeth Donat. Hope this helps.