sentences:  Dorus Rijkers
  
  Theodorus "Dorus" Rijkers (27 January 1847 – 19 April 1928) was a famous Dutch lifeboat captain and folk hero, most famous for his sea rescues of 487 shipwrecked victims over a total of 38 rescue operations, and at least 25 before joining the lifeboat-service.Dorus received his nickname Grandpa () while still a young man