Hefin is also responsible for leading and organising service delivery and support to young people and families aged 16 to ­25 across Carmarthenshire.
Mae Hefin hefyd yn gyfrifol am arwain a threfnu'r gwaith o ddarparu gwasanaethau a chymorth i bobl ifanc a theuluoedd rhwng 16 a 25 oed ledled Sir Gaerfyrddin.