Jack Cockburn
Jack Cockburn ( 26 December 1911 - 21 September 1990 ) was an Australian rules footballer who played for Essendon in the Victorian Football League ( VFL ) and for South Adelaide in the South Australian National Football League ( SANFL ) . 
<triplet> Jack Cockburn <subj> 26 December 1911 <obj> date of birth <subj> 21 September 1990 <obj> date of death <subj> Australian rules football <obj> sport <subj> Essendon <obj> member of sports team <triplet> Essendon <subj> Australian rules football <obj> sport <subj> Victorian Football League <obj> league <triplet> Victorian Football League <subj> Australian rules football <obj> sport <triplet> South Adelaide <subj> Australian rules football <obj> sport <triplet> South Australian National Football League <subj> Australian rules football <obj> sport