Original: The Second Dáil comprised members returned in the 1921 elections for the Parliaments of Northern Ireland and Southern Ireland; the Third Dáil was elected in 1922 general election as the "provisional parliament" of "Southern Ireland", as provided for by the Anglo-Irish Treaty.
Simplified: The Second Dáil's members were elected in the 1921 elections for the Parliaments of Northern Ireland and Southern Ireland; the Third Dáil was elected in 1922 as the provisional parliament of Southern Ireland, as provided for by the Anglo-Irish Treaty.