Vadim Vlasov
Vadim Nikolayevich Vlasov( born 19 December 1980) is a former Russian football player.
He is a younger brother of Dmitri Vlasov.
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.
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.
O'Jay Ferguson
O' Jay Ferguson( born 17 October 1993) is a Jamaican born Bahamian sprinter.
He currently attends Western Texas College in Snyder, Texas.
On 24 March 2012, Ferguson ran a personal best 46.14 sec 400 metres at the UTEP Springtime Invitational in El Paso, Texas, which would have improved the Bahamian national junior record set by Troy McIntosh in 1992, if it was n't for Ferguson's unclear citizenship status., Ferguson's time ranks fourth in the world among juniors, behind only Aldrich Bailey, Steven Solomon, and Luguelín Santos.
Ferguson attended C. R. Walker High School in New Providence, The Bahamas.
Ferguson represented the Bahamas in 4 × 400 metres relay at the 2013 and 2017 World Championships.
Patrick Kavanaugh
Patrick Kavanaugh (October 20, 1954 - April 2, 2018) was a composer, conductor, and the author of many books, including Music of the Spheres (Four Brothers Publishing), The Spiritual Lives of the Great Composers (Zondervan), Worship - A Way of Life (Baker Books), Raising Musical Kids (Vine Books), Music of the Great Composers (Zondervan), and Spiritual Moments with the Great Composers (Zondervan), The Music of Angels; A Listener’s Guide to Sacred Music, from Chant to Christian Rock (Loyola Press), and Devotions from the World of Music (Cook).
From 1984 until his death, he served as the Executive Director of the Christian Performing Artists' Fellowship.
He was also the Artistic Director of the Masterworks festival, and the conductor of the Symphony of the Lakes.
Patrick Kavanaugh's musical education included a Doctor of Musical Arts and a Master of Music (both from the University of Maryland), and a Bachelor of Music from the Catholic University of America School of Music.
He also did extensive Post-Doctoral work in musicology, music theory, and conducting.
His teachers included Earle Brown, Conrad Bernier, Mark Wilson, and Lloyd Geisler.
As a composer, he currently has eighteen compositions published by Carl Fischer Music, and licensed by Broadcast Music Incorporated.
Kavanaugh has composed in a wide variety of genre, from orchestral to chamber music, from opera to electronic music.
He resided near Winona Lake, Indiana, with his wife, Barbara - a cellist.
He died from a heart attack on April 2, 2018.
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.
Miloš Zličić
Miloš Zličić( born 29 December 1999) is a Serbian football forward.
He is a younger brother of Lazar Zličić.
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.
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.
Jay Ferguson (American musician)
John Arden" Jay" Ferguson( born May 10, 1947) is an American rock/ pop musician, known for his work with Spirit and Jo Jo Gunne, and his 1978 solo hit" Thunder Island".
His later career has been as a composer of music for television programs and films.

Question: Who is younger, Patrick Kavanaugh or O'Jay Ferguson?