Complex sentence: It is there that in 1893 she met and married Pierre-Nolasque "Jack" Tremblay (died July 16,1935), who was from Sainte-Anne-de-Beaupré, and had made a fortune on a mining claim at Miller Creek.
Split into simpler sentences: It is there that, in 1893, she met and married Pierre-Nolasque "Jack" Tremblay (died July 16,1935). He was from Sainte-Anne-de-Beaupré, but had made a fortune on a mining claim at Miller Creek.