Liszt encourage Grieg to compose
Edvard Grieg's birth name is Grieg, Edvard Hagerup.
Nordahl Grieg's birth name is Grieg, Johan Nordahl Brun.
Theodor Grieg's birth name is Theodor Maria Ignaz Grieg.
There are pieces of a work called Olav Trygvason, but only three scenes were ever completed. Apart from that, Grieg never composed another opera. He did however write incidental music to a play by Henrik Ibsen known as Peer Gynt, but this is not technically an opera since there wasn't a voice part.
Sigurd Grieg was born in 1894.
Sigurd Grieg died in 1973.
Nina Grieg died in 1935.
Elisabeth Grieg was born in 1959.
Harald Grieg died in 1972.
Gerd Grieg died in 1988.
Gerd Grieg was born in 1895.
Grieg Hall was created in 1978.