C ob ie " ▁But er ▁( also ▁C oby ; ▁born ▁ 1 7 ▁May ▁ 1 9 4 6 ) ▁is ▁a ▁retired ▁Dutch ▁sw immer ▁who ▁won ▁the ▁bronze ▁medal ▁in ▁ 1 0 0 ▁m ▁back stroke ▁at ▁the ▁ 1 9 7 0 ▁European ▁Aqu at ics ▁Championships . ▁She ▁also ▁competed ▁at ▁the ▁ 1 9 6 8 ▁Summer ▁Olympics ▁and ▁finished ▁sevent h ▁in ▁the ▁ 4 ▁× ▁ 1 0 0 ▁m ▁med ley ▁relay . ▁She ▁helped ▁the ▁Dutch ▁team ▁to ▁set ▁a ▁new ▁European ▁record ▁in ▁the ▁same ▁event ▁in ▁ 1 9 6 8 . ▁Between ▁ 1 9 6 5 ▁and ▁ 1 9 7 0 ▁she ▁won ▁four ▁national ▁titles ▁and ▁set ▁four ▁records ▁in ▁the ▁ 1 0 0 ▁m ▁back stroke . ▁ ▁References ▁ ▁Category : 1 9 4 6 ▁birth s ▁Category : L iving ▁people ▁Category : D utch ▁female ▁sw imm ers ▁Category : Europe an ▁Aqu at ics ▁Championships ▁medal ists ▁in ▁sw imming ▁Category : F em ale ▁back stroke ▁sw imm ers ▁Category : O lymp ic ▁sw imm ers ▁of ▁the ▁Netherlands ▁Category : Pe ople ▁from ▁Ste en wij ker land ▁Category : Sw imm ers ▁at ▁the ▁ 1 9 6 8 ▁Summer ▁Olympics <0x0A> </s> ▁No ▁Cry stal ▁St air ▁is ▁a ▁ 1 9 9 7 ▁novel ▁by ▁Canadian ▁author ▁M air uth ▁S ars field . ▁ ▁The ▁title ▁is ▁a ▁reference ▁to ▁the ▁line