Complex sentence: In spring of 2008 Koenderink and Egli ended their partnership and by summer 2008 Ben had moved to Montreal, Quebec to skate with partner Marylie Jorg.
Split into simpler sentences: In spring of 2008 Koenderink and Egli ended their partnership. And by summer 2008 Ben had moved to Montreal, Quebec to skate with partner Marylie Jorg.