My great-grandfather Bernard Heinemann was a Master Baker born in 1836, we believe he may have been from Kassel, also in Hessen. He emigrated to London with his brother William about 1835. He married Ellen Vile in London in 1862 and they had 11 children. He remained running his Bakers and Confectioner's shop at 38 Dartmouth Street in London until his death in 1885. I have lots of info about his descendents, but very little about him.