The 3rd Count Lagerbjelke was a Swedish politician, the last Lord Marshal and the first Speaker of Första kammaren of the Riksdag.

[2] Lagerbjelke studied at Uppsala University, where he became Juris utriusque kandidat in December 1838.

[2] Along with Henning Hamilton, Gillis Bildt and Eric Josias Sparre [sv], Lagerbjelke became one of the leaders of the Junker Party, and was the party's authority on constitutional and formal issues.

In connection with the representation reform as the country moved to a parliamentary system, he submitted his own proposal, but it was not adopted.

[2] After her death in 1847, he married Ebba Augusta Henriette Ribbing, daughter of rittmeister Bengt Ribbing and Augusta Christina Schmiterlöw, on 19 July 1859 on Liljeholmen in Jönköping.