<P> It is very rare that players of a team that wins a treble also win a cup with their national team in the same year . Hans van Breukelen, Berry van Aerle, Ronald Koeman, Gerald Vanenburg and Wim Kieft combined a PSV 1987--88 treble with a Euro 1988 cup with the Netherlands . Essam El - Hadary, Ahmad El - Sayed, Mohamed Abdelwahab, Hassan Mostafa, Emad Moteab, Mohamed Shawky, Mohamed Barakat, Wael Gomaa and Mohamed Aboutreika combined a Al - Ahly treble with a 2006 Africa Cup of Nations with Egypt . </P> <P> In Europe, Spanish club FC Barcelona is the only club to have won a treble twice . </P> <Table> <Tr> <Th> Club </Th> <Th> Country </Th> <Th> Confederation </Th> <Th> Season / Year (s) </Th> <Th> Titles won </Th> </Tr> <Tr> <Td> Celtic </Td> <Td> Scotland </Td> <Td> UEFA </Td> <Td> 1966--67 </Td> <Td> Scottish Football League, Scottish Cup, European Cup </Td> </Tr> <Tr> <Td> Ajax </Td> <Td> Netherlands </Td> <Td> 1971--72 </Td> <Td> Eredivisie, KNVB Cup, European Cup </Td> </Tr> <Tr> <Td> PSV </Td> <Td> Netherlands </Td> <Td> 1987--88 </Td> <Td> Eredivisie, KNVB Cup, European Cup </Td> </Tr> <Tr> <Td> Manchester United </Td> <Td> England </Td> <Td> 1998--99 </Td> <Td> Premier League, FA Cup, UEFA Champions League </Td> </Tr> <Tr> <Td> Barcelona </Td> <Td> Spain </Td> <Td> 2008--09 </Td> <Td> La Liga, Copa del Rey, UEFA Champions League </Td> </Tr> <Tr> <Td> Internazionale </Td> <Td> Italy </Td> <Td> 2009--10 </Td> <Td> Serie A, Coppa Italia, UEFA Champions League </Td> </Tr> <Tr> <Td> Bayern Munich </Td> <Td> Germany </Td> <Td> 2012--13 </Td> <Td> Bundesliga, DFB Pokal, UEFA Champions League </Td> </Tr> <Tr> <Td> Barcelona (2) </Td> <Td> Spain </Td> <Td> 2014--15 </Td> <Td> La Liga, Copa del Rey, UEFA Champions League </Td> </Tr> <Tr> <Td> Englebert </Td> <Td> DR Congo </Td> <Td> CAF </Td> <Td> 1967 </Td> <Td> Linafoot, Coupe du Congo, African Cup of Champions </Td> </Tr> <Tr> <Td> Vita Club </Td> <Td> Zaire </Td> <Td> 1973 </Td> <Td> Linafoot, Coupe du Congo, African Cup of Champions </Td> </Tr> <Tr> <Td> MC Algiers </Td> <Td> Algeria </Td> <Td> 1976 </Td> <Td> Algerian Championnat National, Algerian Cup, African Cup of Champions </Td> </Tr> <Tr> <Td> Club Africain </Td> <Td> Tunisia </Td> <Td> 1991--92 </Td> <Td> Tunisian Ligue Professionnelle 1, Tunisian Cup, CAF Champions League </Td> </Tr> <Tr> <Td> Hearts of Oak </Td> <Td> Ghana </Td> <Td> 2000 </Td> <Td> Ghana Premier League, Ghanaian FA Cup, CAF Champions League </Td> </Tr> <Tr> <Td> Al - Ahly </Td> <Td> Egypt </Td> <Td> 2005--06 </Td> <Td> Egyptian League, Egyptian Soccer Cup, CAF Champions League </Td> </Tr> <Tr> <Td> Al - Ahly (2) </Td> <Td> Egypt </Td> <Td> 2006--07 </Td> <Td> Egyptian League, Egyptian Soccer Cup, CAF Champions League </Td> </Tr> <Tr> <Td> Espérance </Td> <Td> Tunisia </Td> <Td> 2011 </Td> <Td> Tunisian Ligue Professionnelle 1, Tunisian Cup, CAF Champions League </Td> </Tr> <Tr> <Td> Cruz Azul </Td> <Td> Mexico </Td> <Td> CONCACAF </Td> <Td> 1968--69 </Td> <Td> Primera División de México, Copa México, CONCACAF Champions Cup </Td> </Tr> <Tr> <Td> Defence Force </Td> <Td> Trinidad and Tobago </Td> <Td> 1985 </Td> <Td> TT Pro League, Trinidad and Tobago Cup, CONCACAF Champions Cup </Td> </Tr> <Tr> <Td> Yomiuri </Td> <Td> Japan </Td> <Td> AFC </Td> <Td> </Td> <Td> Japanese First Division, Emperor's Cup, Asian Club Championship </Td> </Tr> <Tr> <Td> Auckland City </Td> <Td> New Zealand </Td> <Td> OFC </Td> <Td> 2006 </Td> <Td> NZFC Championship, NZFC Premiership, OFC Champions League </Td> </Tr> <Tr> <Td> Waitakere United </Td> <Td> New Zealand </Td> <Td> 2008 </Td> <Td> NZFC Championship, NZFC Premiership, OFC Champions League </Td> </Tr> <Tr> <Td> Auckland City (2) </Td> <Td> New Zealand </Td> <Td> 2013--14 </Td> <Td> NZFC Championship, NZFC Premiership, OFC Champions League </Td> </Tr> <Tr> <Td> Auckland City (3) </Td> <Td> New Zealand </Td> <Td> 2014--15 </Td> <Td> NZFC Championship, NZFC Premiership, OFC Champions League </Td> </Tr> </Table> <Tr> <Th> Club </Th> <Th> Country </Th> <Th> Confederation </Th> <Th> Season / Year (s) </Th> <Th> Titles won </Th> </Tr>

Who has won the most trebles in scottish football