▁formed ▁b onds ▁with ▁well - known ▁members ▁of ▁the ▁Canadian ▁art ▁world ▁including ▁Group ▁of ▁Seven ▁member , ▁A . Y . ▁Jackson . ▁ ▁The ▁Fir est ones ▁began ▁construct ing ▁their ▁new ▁three - store y , ▁ 8 , 0 0 0 - square - foot ▁home ▁in ▁Rock cl iffe ▁Park ▁at ▁ 3 7 5 ▁Min to ▁Place ▁in ▁ 1 9 6 0 . ▁N amed ▁for ▁I so bel , ▁" Bel man or " ▁was ▁a ▁new ▁larger ▁home ▁constructed ▁to ▁accommod ate ▁the ▁Fir estone ’ s ▁growing ▁art ▁collection ▁with ▁temperature ▁and ▁hum id ity ▁control ▁and ▁exhibition ▁light ing . ▁The ▁modern ist ▁building ▁became ▁a ▁social ▁hub ▁for ▁friends ▁of ▁the ▁Fir est ones ▁and ▁members ▁of ▁the ▁arts ▁community . ▁The ▁Fir estone ▁family ▁made ▁the ▁decision ▁to ▁don ate ▁their ▁collection ▁( at ▁that ▁time ▁number ing ▁around ▁ 1 2 0 0 ▁works ▁of ▁art ), ▁their ▁home , ▁and ▁a ▁$ 1 0 0 , 0 0 0 ▁end ow ment ▁fund ▁for ▁art ▁conservation ▁and ▁maintenance ▁to ▁the ▁Ontario ▁Heritage ▁Foundation ▁( now ▁the ▁Ontario ▁Heritage ▁Trust ) ▁in ▁ 1 9 7 2 . ▁The ▁art work ▁remained ▁on ▁display ▁in ▁the ▁home , ▁and ▁O . J . ▁Fir estone ▁conducted ▁regular ▁t ours ▁for ▁the ▁visit ing ▁public ▁by ▁appointment . ▁O . J . ▁and ▁I so bel ▁Fir estone ▁divor ced ▁in ▁ 1 9 7 8 , ▁and ▁Fir