, ▁and ▁a ▁substantial ▁part ▁of ▁her ▁family ▁real - est ate ▁business ▁which ▁gar ner ed ▁$ 5 0 ▁million . ▁The ▁S othe by ' s ▁au ction ▁was ▁the ▁largest ▁j ew el ry ▁sale ▁since ▁the ▁Duch ess ▁of ▁W inds or ' s ▁au ction . ▁The ▁sale ▁included ▁pre - Col umb ian ▁gold , ▁j ade ▁and ▁other ▁notable ▁pieces ▁accum ulated ▁by ▁the ▁noble ▁French ▁family . ▁Du ▁Bo is r ouv ray ▁allocated ▁part ▁of ▁the ▁prof its ▁to ▁the ▁F X B ▁Foundation ▁to ▁create ▁programs , ▁including ▁ ▁an ▁at ▁home ▁pal li ative ▁care ▁program ▁for ▁the ▁termin ally ▁ill ▁in ▁Switzerland ▁and ▁France , ▁a ▁rescue ▁hel ic opter ▁control ▁centre ▁in ▁the ▁Swiss ▁Al ps , ▁and ▁a ▁professor ship ▁at ▁the ▁University ▁of ▁Michigan ▁( her ▁son ' s ▁al ma ▁mater ). ▁The ▁rest ▁of ▁the ▁funds ▁were ▁used ▁to ▁found ▁F X B ▁International ▁in ▁memory ▁of ▁her ▁son , ▁François - X avier ▁B agn oud , ▁a ▁search - and - res cue ▁pilot ▁who ▁died ▁while ▁serving ▁as ▁a ▁transport ▁pilot ▁in ▁M ali ▁during ▁the ▁Paris - D ak ar ▁r ally ▁in ▁ 1 9 8 6 . ▁ ▁Du ▁Bo is r ouv ray ▁founded ▁F X B ▁International ▁is ▁to ▁fight ▁pover ty ▁and ▁A ID S , ▁and ▁support ▁or ph ans ▁and ▁vulner able ▁children ▁left ▁in ▁the ▁w ake ▁of ▁the ▁A ID S ▁pan demic