Brief biography and Birth and Death Dates from van der Straeten, The history of the violin: its ancestors and collateral instruments from earliest times, Volume 2, 1933, p.303. - Basil Althaus was son of Felix Draeseke's cousin Bernhard Althaus, who was son of Draesekes aunt Julie Althaus, nee Draeseke, and Georg Friedrich Althaus, Superintendent in Detmold.