Complex sentence: Bjarni Jónsson (born 1934) was an Icelandic painter, notable for his paintings of old Icelandic fishing boats, many of which have been added to the National Museum of Iceland, "Þjóðminjasafn Íslands".
Split into simpler sentences: Bjarni Jónsson (born 1934) was an Icelandic painter. He was notable for his paintings of old Icelandic fishing boats, many of which have been added to the National Museum of Iceland, "Þjóðminjasafn Íslands".