Jane Barkman
Jane Louise Barkman( born September 20, 1951), also known by her married name Jane Brown, is an American former swimmer, two- time Olympic champion, and former world record-holder.
Rebecca Bailey
Rebecca Jane Bailey( born 3 September 1974) is a road cyclist from New Zealand.
She represented her nation at the 1996 Summer Olympics in the women's road race and women's time trial.
Yousuf Adam Mahmoud
Yousuf Adam Mahmoud or Yousef Adam( born 12 September 1972) is a Qatari- Somalian former football player and current manager of Al Kharaitiyat.
He is the first Qatari football manager to have coached in Africa.
He also competed in the men's tournament at the 1992 Summer Olympics.
Rebecca Jane Brown
Rebecca" Beckie" Jane Brown( born 4 December 1992 in Chelmsford, Essex, England) is an English vlogger, artist and YouTube personality.
She has been active on YouTube since 2006 when she started videoblogging at the age of 13, under the name Beckie0.
She attended MET film school from 2012 to 2014.
In 2008, Beckie started posting content about her disorder, trichotillomania.
In 2011, Beckie Jane Brown was nominated for Mind's Digital Media Award for her online work, and won The Speaking Out Award.
She has appeared on the BBC to discuss trichotillomania, and her most popular video to date is a montage of photos of her face which she has taken daily since the age of 14.
She spoke out against YouTube's decision to change their monetisation criteria in January 2018.
Tyler-Jane Mitchel
Tyler- Jane Mitchel( born Rebecca Jane) is a New Zealand actress best known for her role as Sheree Greegan in the New Zealand drama" Outrageous Fortune".
Ismail Mahmoud
Ismail Mahmoud Mardanli( born January 8, 1987 in Aleppo, Syria) is a Qatarian football player who is currently playing for Al- Wakrah in the Qatar Stars League.
Rebecca Jane G. Fisher
Rebecca Jane Gilleland Fisher (August 31, 1831 – March 21, 1926) was a philanthropist and preservationist.
Rebecca Rolls
Rebecca Jane Rolls( born 22 August 1975) is a cricketer and association football player who represented New Zealand in both sports.
Kathryn Brown
Kathryn Jane Brown is a British art historian and Lecturer in Art History and Visual Culture at Loughborough University.
Ismail Mahmud Hurre
Ismail Mahmoud Hurre( Buubaa)( born 1943?) was the foreign minister of the Transitional Federal Government of Somalia, from mid-2006 to early 2007.
He was appointed to that position on August 21, 2006.
He previously served as foreign minister from 2000 to 2002, during the beginning of the transitional government.

Question: Who is older, Ismail Mahmoud or Rebecca Jane Brown?
Answer: Ismail Mahmoud