Complex sentence: Duffy is eligible to play for Republic of Ireland through his Donegal-born father and maternal grandparents and opted to play for Republic of Ireland following a discussion with former international Liam Brady.
Split into simpler sentences: Duffy is eligible to play for Republic of Ireland through his Donegal-born father and grand-parents on his mother's side. He opted to play for Republic of Ireland following a discussion with former international Liam Brady.