Question: When was the Australian rules footballer born who is the father of John Vickery?

Context paragraphs:
Sam Reid (footballer, born 1991): Sam Reid (born 27 December 1991) is an Australian rules footballer who plays for the Sydney Swans in the Australian Football League (AFL).  He was drafted to Sydney with the 38th selection in the 2009 AFL Draft, becoming a third generation footballer at AFL/VFL level.  His grandfather Bruce Reid senior played for Footscray, his father Bruce Reid, for Footscray and Carlton and his uncle John Reid for Melbourne, Footscray and Sydney.  He is also the younger brother of Collingwood premiership player Ben Reid.

Jobe Watson: Jobe Watson (born 8 February 1985) is a former professional Australian rules footballer who played for the Essendon Football Club in the Australian Football League (AFL).  Watson, the son of three-time Essendon premiership champion and Seven Network commentator Tim Watson, was drafted by Essendon under the father–son rule in the 2002 AFL draft, and went on to become one of the greatest midfielders of the modern era.  A dual All-Australian, three-time W. S. Crichton Medallist and representative of Australia in the 2014 International Rules Series, he captained Essendon between 2010 and 2015, and was the face of the Essendon playing group during the club's most turbulent period in the history of the VFL/AFL.

Ty Vickery: Tyrone "Ty" Vickery (born 31 May 1990) is an Australian rules footballer playing for the Hawthorn Football Club in the Australian Football League (AFL).  He previously played for the Richmond Football Club from 2009 to 2016.  He is the son of former Collingwood player John Vickery.

Ron Barassi: Ronald Dale "Ron" Barassi Jr {'1': ", '2': ", '3': ", '4': "} (born 27 February 1936) is a retired Australian rules football player and coach.  During a long and decorated career, Barassi has been one of the most important figures in the history of Australian football.  His father Ron Barassi Sr., also a prominent Australian rules footballer, was killed at Tobruk during World War II.  The young Barassi spent his latter teenage years living with Norm Smith, coach of the Melbourne Football Club and a former teammate of his father.

Chris Waterman: Chris Waterman (born 19 September 1968) is a former Australian rules footballer and has been a part of Australian Rules football for over half of his life (in both playing and coaching roles).  Waterman’s playing career started in Rossmoyne’s junior football league where he was eventually recruited by the East Fremantle Football Club at the age of fifteen.  He played in the club’s Colts, Reserves and Senior line-up and finished with a total of 61 senior games.  In 1988 Waterman made his AFL debut wearing a West Coast Eagles guernsey, and under the guidance of coaches John Todd and Mick Malthouse, went on to play a total of 177 matches (including 22 AFL finals, 3 Grand Finals and 2 Premierships) for the club and earned "Player Life Member" status.  Chris retired in 1998.

John Vickery (footballer): John Vickery (born 6 July 1951) is a former Australian rules footballer who played with Collingwood in the Victorian Football League (VFL).  He is the father of Hawthorn footballer Ty Vickery.

Billy Stretch: Billy Stretch (born 8 September 1996) is a professional Australian rules footballer playing for the Melbourne Football Club in the Australian Football League (AFL).  A midfielder, 1.80 m tall and weighing 80 kg , Stretch plays predominantly on the wing.  Stretch was recognised as a talented footballer from a young age when he represented and captained South Australia at under 14 level, and continued to represent the state until under 18 level.  His accolades as a junior include six best and fairest awards, a league best player award, national representation and All-Australian selection.  His father, Steven Stretch is a former player for the Melbourne Football Club and Keith 'Bluey' Truscott Medallist, which saw Billy recruited by the Melbourne Football Club under the father–son rule in the 2014 AFL draft and he made his AFL debut during the 2015 season.

Ken Turner (Australian rules footballer): Ken Turner (born 30 June 1935) is a former Australian rules footballer who played with Collingwood in the VFL.  He is the father of Australian Rules footballer Jamie Turner, who also played with Collingwood.  He is a cousin of former test cricketer Graham Yallop, and was a cousin of murdered lawyer Keith William Allan.

Angus Brayshaw: Angus Brayshaw (born 9 January 1996) is a professional Australian rules footballer playing for the Melbourne Football Club in the Australian Football League (AFL).  A midfielder, 1.87 m tall and weighing 90 kg , Brayshaw is capable of contributing as both an inside and outside midfielder.  He has strong family connections in Australian sport whereby his father, Mark Brayshaw, is a former player and the current AFL Coaches' Association Chief Executive Officer, his uncle, James Brayshaw, is a former state cricketer, former North Melbourne chairman and a sport media personality, and his grandfather, Ian Brayshaw, is a former state cricketer and footballer with the Claremont Football Club.

Brad Bootsma: Bradley Theodore "Brad" Bootsma (born 30 December 1972) is a former Australian rules footballer who played for the Fremantle Football Club in the Australian Football League.  He played as a half-back flanker or midfielder .  Boostma was recruited from South Fremantle in the West Australian Football League (WAFL) and is the father of former AFL footballer Josh Bootsma.

Supporting paragraphs: John Vickery (footballer) Ty Vickery
Answer: 31 May 1990