[PAR] [TLE] Lorentzen family [SEP] Lorentzen or Bie-Lorentzen is a Norwegian family of Danish origin.  Several members have been noted as shipping magnates and industrialists.  Among its members are shipowner Erik Finn Lorentzen and industrialist Erling Lorentzen, who was married to Princess Ragnhild of Norway (known as Princess Ragnhild, Mrs. Lorentzen after her marriage), the eldest daughter of King Olav V of Norway.  Several members of the family are in the line of succession to the British throne; at the time of her death, Princess Ragnhild was number 75 and her children Haakon, Ingeborg and Ragnhild Lorentzen follow directly after. [PAR] [TLE] Olav V of Norway [SEP] Olav V (born Prince Alexander of Denmark; 2 July 1903 – 17 January 1991) was King of Norway from 1957 until his death.
[PAR] [TLE] Lorentzen family [ SEP ] Lorentzen or Bie - Lorentzen is a Norwegian family of Danish origin . Several members have been noted as shipping magnates and industrialists . Among its members are shipowner Erik Finn Lorentzen and industrialist Erling Lorentzen , who was married to Princess Ragnhild of Norway ( known as Princess Ragnhild , Mrs. Lorentzen after her marriage ) , the eldest daughter of King Olav V of Norway . Several members of the family are in the line of succession to the British throne ; at the time of her death , Princess Ragnhild was number 75 and her children Haakon , Ingeborg and Ragnhild Lorentzen follow directly after . [PAR] [TLE] Olav V of Norway [ SEP ] Olav V ( born Prince Alexander of Denmark ; 2 July 1903 – 17 January 1991 ) was King of Norway from 1957 until his death .
What year did the father of Princess Ragnhild, Mrs. Lorentzen become King?
What year did the father of Princess Ragnhild , Mrs. Lorentzen become King ?
1957
1957