Magnus Andreas Thulstrup Clasen Konow (1 September 1887 – 25 August 1972) was a Norwegian sailor who competed in the 1908 Summer Olympics, in the 1912 Summer Olympics, in the 1920 Summer Olympics, in the 1928 Summer Olympics, in the 1936 Summer Olympics, and in the 1948 Summer Olympics.^[1]

Magnus Konow

Personal information
Full name	Magnus Andreas Thulstrup Clasen Konow
Born	1 September 1887 Melsomvik, Norway
Died	25 August 1972(1972-08-25) (aged 84) San Remo, Italy
Sailing career
Class(es)	6mR, 8mR, 12mR
Club	Royal Norwegian Yacht Club
Medal record Sailing Representing  Norway Olympic Games 1912 Stockholm 12 Metre 1920 Antwerp 8 Metre 1936 Kiel 6 Metre

In 1908 he was a crew member of the Norwegian boat Fram which finished fourth in the 8 metre class competition. Four years later he won the gold medal as a crew member of the Norwegian boat Magda IX in the 12 metre class.

In 1920 he won his second gold medal as part of the Norwegian boat Sildra. In his fourth Olympic Games he was a crew member of the Norwegian Noreg which finished fourth in the 8 metre class competition. He won his third medal at the 1936 Olympics as helmsman of the Norwegian Lully II. They won silver in the 6 metre class event. His son Karsten Konow was one of the crew members.

His sixth and last Olympic appearance was 1948 at the London Games. He was the helmsman of the Norwegian boat Apache which finished fourth in the 6 metre class competition.

He is one of only five athletes who have competed in the Olympics over a span of 40 years, along with fencer Ivan Joseph Martin Osiier, sailors Paul Elvstrøm and Durward Knowles and showjumper Ian Millar.^[2]

Family:

Magnus Andreas Thulstrup Clasen Konow, (1 September 1887 - 25 August 1972), was born in Stokke, Vestfold, Norway, he was the son of Einar Konow (1859-1946) and Dagny Clasen (1864-1900). He married three times; first (1) in 1913 with Else Nanna Grove from Denmark, (1891-xx). Else Nanna Grove was the daughter of Peter Andreas Grove, (København, 1856-1939) and Caroline Louise Frederikke Anette Ewald (f. 1869).

Children:

In his first marriage, Magnus Konow and Else Nanna Grove had three children together; Henny Else (1914-1999), later married to Ragnar Hargreaves, Vera Alexandra (1916-2009), later married to Lars Musæus, and Karsten Magnus (1918-1945). Later he married (2) Iselin Danelius (9 February 1915 - 16 March 1939), from Bergen, Norway, a short marriage. His last (3) marriage, lasting throughout, was with Olga Rapaport (1913-2002), they had one son together, Magnus Einar Konow (1948-).