Joachim Ernst von Grumbkow was a general and statesman of Brandenburg-Prussia.
Grumbkow came from a family of Pomeranian nobility whose first mention was the brothers Bisbranus, Gneomarus and Tezlaus in 1277. Wikipedia
Born: September 29, 1637
Died: December 26, 1690 (age 53 years), Wesel, Germany
Children: Philipp Otto von Grumbkow and Friedrich Wilhelm von Grumbkow