 Frederik Alexander Adolf Gregory

Frederik Alexander Adolf Gregory (13 May 1814 in Doesburg – 16 July 1891 in 's-Gravenhage) was a Dutch viceadmiraal.Röggeliner See

Röggeliner See is a lake in the Nordwestmecklenburg district in Mecklenburg-Vorpommern, Germany.At an elevation of 37.2 m, its surface area is 1.77 km².