Complex sentence: Some of these relatives have been an influence on Qappik's artistic sensibilities which include a fondness for realistic/naturalistic scenes of Arctic life, an instinctive grasp of line, form and composition, and a use of lighter coloured tones with little negative space.
Split into simpler sentences: Some of these relatives have been an influence on Qappik's artistic sensibilities. He has a fondness for realistic/naturalistic scenes of Arctic life; an instinctive grasp of line, form and composition; and a use of lighter coloured tones with little negative space.