Brett Halford
Brett Halford( born 19 June 1971) is a Zimbabwean swimmer.
He competed in two events at the 1988 Summer Olympics.
Miloš Zličić
Miloš Zličić( born 29 December 1999) is a Serbian football forward.
He is a younger brother of Lazar Zličić.
Alan Chipp
Alan Chipp( born 9 January 1937) is a former Australian rules footballer who played for the Fitzroy Football Club in the Victorian Football League( VFL).
He is a younger brother of politician Don Chipp.
Anton Shunto
Anton Shunto( born 31 May 1988) is a Belarusian professional footballer.
As of 2019, he plays for Molodechno.
He is a younger brother of Denis Shunto, who is a founder and former president of Krumkachy Minsk.
Lievin Cruyl
Lievin Cruyl or Lieven Cruyl( name variations: Levin Cruijl, Lievin Cruijl, Levin Cruyl, Livinus Cruylius, Cruylius Livinus)
( 5 September 1634 – before 1720) was a Flemish priest and a draughtsman and etcher of landscapes, seascapes, and architectural views.
The drawings and etchings he made during his extended stays in Italy and Paris contributed to the development of the topographical views known as veduta.
Vadim Vlasov
Vadim Nikolayevich Vlasov( born 19 December 1980) is a former Russian football player.
He is a younger brother of Dmitri Vlasov.
Roman Smishko
Roman Smishko is a retired Ukrainian professional footballer who played as a goalkeeper.
He is a younger brother of Ukrainian defender Bohdan Smishko.
Markus Weissenberger
Markus Weissenberger( born March 8, 1975) is an Austrian former footballer who played as a midfielder.
He is a younger brother of former Austria international player Thomas Weissenberger.
Dmitri Varfolomeyev (footballer, born 1978)
Dmitri Nikolayevich Varfolomeyev( born 15 March 1978 in Leningrad) is a former Russian football player.
He is a younger brother of Sergei Varfolomeyev.
Lieven Boeve
Lieven Boeve[ ‘ li:vən ‘ bu: və]( born Veurne, April 10, 1966) is a Belgian Catholic theologian, and is full professor of Systematic Theology at the Faculty of Theology and Religious Studies of the Katholieke Universiteit Leuven, where he currently also serves as Dean of the Faculty.
Since 2012 he is also the chair of the Centre for Academic Teacher ’s Training, KU Leuven.
On 1 August 2014 he became the Director General of the Flemish Secretary for Catholic Education( VSKO).

Question: Who is younger, Brett Halford or Lieven Boeve?
Answer: Brett Halford