LOOS Family genealogy, 1535-1958. 1959By Sila Lydia Bast This publication provides the Loos Family genealogy, from 1535 1958. Velten Loos (1535 1586) of Guntersblum, near Oppenheim in Rhein Hessen, Germany was a town councillor and land owner, and later a judge. He was married and had children. Johannes Loos (1826 1906) was the son of Georg Wilhelm Loos (b. 1792) and Maria Elizabetha Eckelmann (1795 1830) of Guntersblum. She was the daughter of Johann Friedrich Eckelmann of Guntersblum.