Complex sentence: Judge led the organization arising from his faction for about a year after the split until his death, when its leadership passed to Katherine Tingley, who moved the Society's headquarters from New York City to Point Loma, California.
Split into simpler sentences: Judge led the organization arising from his faction for about a year after the split until his death, when Katherine Tingley became manager. She had the Society's headquarters transferred from New York City to Point Loma, California.