Manstein is a German surname. Notable people with this surname include: Albrecht Gustav von Manstein (1805–1877), Prussian general. Erich von Manstein (1887–1973), German commander of the Wehrmacht, grandson of Albrecht, and field marshal from 1942. Ernst Sebastian von Manstein (1678–1747), Baltic German soldier and statesman. Ernst von Manstein (1869–1944), Prussian army officer and prominent convert to Judaism. Tim Manstein (born 1989), German footballer
https://en.wikipedia.org/wiki/Manstein