The Lagercrantz family is an influential Swedish noble family, whose members held various positions in Sweden and Finland. History. On 13 February 1682 he family was ennobled with the name Lagercrantz. On 6 October 1682 the family was introduced to the House of Nobility. The current head of the family is Carl Lagercrantz (born 1935). Notable members. Ava de Lagercrantz (1862–1938), Swedish portrait artist. Bengt Lagercrantz (1887–1924), Swedish sport shooter. Bror Lagercrantz (1894–1981), Swedish fencer. David Lagercrantz (born 1962), Swedish journalist and author.
https://en.wikipedia.org/wiki/Lagercrantz