▁wife , ▁and ▁half - s ister ▁Ad ela ide ▁C ahn ▁Laz ard ▁[ 1 8 3 8 - 1 8 9 2 ] ▁married ▁his ▁partner , ▁Joseph ▁Ar on , ▁who ▁was ▁the ▁later ▁S ut ro ▁tunnel ▁project ▁president ). ▁The ▁clos eness ▁of ▁the ▁Laz ard - C ahn - We ill - Ar on ▁family ▁and ▁prim ogen itor ▁laws ▁has ▁been ▁pointed ▁to ▁as ▁one ▁of ▁the ▁financial ▁and ▁social ▁strength s ▁of ▁the ▁Laz ard ▁Fr ères ▁firm ▁in ▁the ▁nin ete enth ▁century . ▁▁ ▁Laz ard ▁Fr ères , ▁International ▁Bank ers ▁ ▁The ▁Laz ard ▁brothers ▁came ▁to ▁California ▁with ▁the ▁intention ▁of ▁working , ▁saving , ▁and ▁returning ▁home ▁after ▁becoming ▁rich , ▁a ▁mot ive ▁widely ▁shared ▁by ▁imm igr ants ▁of ▁all ▁background s . ▁With ▁the ▁inf usion ▁of ▁younger ▁talent ▁at ▁the ▁same ▁time ▁the ▁international ▁business ▁continued ▁to ▁grow , ▁the ▁Laz ards ▁decided ▁to ▁perman ently ▁return ▁home ▁and ▁establish ▁headquarters ▁in ▁Paris . ▁A ▁July ▁ 2 0 , ▁ 1 8 5 8 , ▁agreement ▁established ▁Laz ard ▁Fr ères ▁et ▁C ie . ▁Alexandre , ▁Maurice ▁and ▁Laz are ▁had ▁already ▁moved ▁back ▁to ▁Paris . ▁▁▁ ▁In ▁ 1 8 6 1 , ▁after ▁the ▁completion ▁of ▁the ▁trans cont inental ▁te legraph ▁to ▁San ▁Francisco ▁improved ▁communication , ▁thirty - three - year - old ▁Simon ▁left ▁perman ently ▁for ▁Paris ; ▁brother ▁El ie ▁followed ▁five ▁years ▁later .