He was a significant contributor to musical institutions in Bergen, and to the SOS Children's Villages.
[1] He had one son and three daughters,[1] including ship owner Elisabeth Grieg.
[2] Grieg graduated as engineer from the Norwegian Institute of Technology in 1956, and worked some years at Det Bergenske Dampskipsselskap.
[1] His humanitarian aid mainly came through the Grieg Foundation, and projects through the SOS Children's Villages.
[5][6] (Note: The encyclopedia Store Norske Leksikon wrongly gave 2023 as death year, as of September 2024.