I found these names belonging to the same surname. In vol.1&2 Penn.German Pioneers. Christian Est on the ship St.Andrew Gally John Stedman ,Master from Rotterdam Qual.sept.26,1737
Any information would be helpful. I have a Joanna Charlotte Est b/aprox.1761 Germany resided in Philadelphia Pa. (germantown,Byberry,Bridesburg) Her father was a surgeon for the British. She m/George Wentzell Wenzell