Milan Janjušević
Milan Janjušević( born 9 April 1983) is a Serbian professional basketball player for Kolubara LA 2003 of the Basketball League of Serbia.
He also played for Gradjanski of the Bosnian League.
Ognen Stojanovski
Ognen Stojanovski( born January 25, 1984) is a Macedonian professional basketball player.
He was under contract with MZT Skopje until 2014.
He is 1.90 m( 6 ft 3 in) in height and plays at the point guard position.
Born in Skopje, Republic of Macedonia, he is older brother of the twins Vojdan Stojanovski and Damjan Stojanovski, who are also basketball players.
Ada Jansen
Agatha( Ada) Baas- Jansen or Ada Jansen( born July 5, 1942) is a Dutch police officer and politician.
Zacharias Janssen
Zacharias Janssen( also Zacharias Jansen or Sacharias Jansen)( 1585 – pre- 1632) was a Dutch spectacle- maker who lived most of his life in Middelburg.
He is associated with the invention of the first optical telescope and/ or the first truly compound microscope, but these claims( made 20 years after his death) may be fabrications put forward by his son.
Aleksandar Loma
Aleksandar Loma( born March 2, 1955) is a Serbian philologist and a corresponding member of the Serbian Academy of Science and Arts since October 30, 2003.
Aleksandar Loma emphasized that Serbian epic poetry about Kosovo events is older than the events it describes, having its origin in the pre-Christian and pre-Balkan periods of Serbian history.
François van der Merwe
François van der Merwe is a South African professional rugby union player.
He plays at lock for Lyon Olympique in the Top 14.
He is older brother of Flip van der Merwe
Petter Jansen
Petter Jansen( born 30 August 1955) is a Norwegian businessperson and CEO of Norwegian Property.
He is educated in the Norwegian military and the Swedish military as well as from Östersund Business School( 1986 – 88) and an executive program at London Business School.
After a career in the military, he became director of Oslo Airport, Fornebu between 1993 and 1996 when he was employed in Den norske Bank and later became CEO of Postbanken.
In 2004 he was employed as CEO SAS Braathens until June 2006 after internal struggle and he was hired by Norwegian Properties.
Jovan Markovski
Jovan Markovski( born March 28, 1988) is a Macedonian professional basketball small forward who last played for Vardar.
He is older brother of Gorjan Markovski who is also basketball player and plays for Feni Industries
Filip Arsenijević
Filip Arsenijević( born 2 September 1983) is a Serbian footballer who plays for TSC Bačka Topola.
He is older brother of Nemanja Arsenijević.
Robin Kačaniklić
Robin Kačaniklić( born 25 August 1988) is a Swedish footballer of Serbian and Macedonian descent who plays for Real Åstorp FF as a Midfielder.
He is older brother to the Hammarby IF and former Swedish national team player Alexander Kačaniklić.

Question: Who is older, Petter Jansen or Milan Janjušević?
Answer: Petter Jansen