Gotthilf Frederick Heinke
Engineer
1787 Born in Prussia[1]
1816 Birth of son John William Heinke
1818 Birth of son Charles Edwin Heinke
1820 Birth of son Gotthilf Henry Heinke
1845 Went into business with his sons as submarine engineers
1851 Frederick Heinke 64, ironmonger, lived in Marylebone, with Charles E Heinke 33, ironmonger...., Elizabeth R Heinke 26[2]
1852 Ironmonger when his youngest son married[3]
1861 Gothilf Frederick Heinke 74, submarine engineer, lived in Marylebone, with Charles Edwin Heinke 42, submarine engineer[4]
1871 Gotthilf Frederick Heinke 84, submarine engineer, lived in Marylebone with Gotthilf H Henkie 50 submarine engineer, Sarah Henkie 43[5]
1871 Died in London; his will was proved by his son Gotthilf Henry Heinke, submarine engineer[6]