| Date of birth | 29 August 1952 | ||||||||||||||||
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| Place of birth | Sydney, Australia | ||||||||||||||||
| Notable relative(s) | Jack Cornelsen (son) | ||||||||||||||||
| Rugby union career | |||||||||||||||||
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Greg Cornelsen (born 29 August 1952 in Sydney) is a former Australian rugby union footballer who was capped 25 times for the national team, the Wallabies, from 1974 to 1982. His usual position was flanker. His son Jack Cornelsen is an international for Japan.[1]