Complex sentence: He was born in Kincolith (Gingolx) on the Nass River in B.C., the son of Josiah Tait, also a carver and the great-grandson of Chief Alfred Watson Mountain, Sganism Sim'oogit.
Split into simpler sentences: He was born in Kincolith (Gingolx) on the Nass River in B.C., the son of Josiah Tait, also a carver. Norman is the great-grandson of Chief Alfred Watson Mountain, Sganism Sim'oogit.