Mayhem's lineup changed because of the murder of which founder of the early Norwegian black metal scene?
Euronymous Øystein Aarseth (] ; 22 March 1968 – 10 August 1993), who went by the pseudonym Euronymous, was a Norwegian guitarist. Euronymous was a founder of and central figure in the early Norwegian black metal scene. He was a co-founder of the Norwegian black metal band Mayhem. He was also founder and owner of the extreme metal record label Deathlike Silence Productions and record shop Helvete.
Mons Somby Mons Aslaksen Somby (14 February 1825 – 14 October 1854) was one of the leaders of the Sami rioters that attacked several Norwegian shops during the Kautokeino rebellion of 1852. During the uprising a merchant and the town sheriff were killed and others were whipped. Several buildings were also destroyed during the riots. Somby was executed by beheading in 1854. Mons Aslaksen Somby was married to Inger Johannesdatter Hætta, with whom he had a son.