Complex sentence: The use of Shelbourne Road and Lansdowne Road copies the name street crossings in Kenmare, County Kerry, the origin perhaps being that the Cromwellian army physician Sir William Petty also "moonlighted" as a part time ordinance surveyor/cartographer.
Split into simpler sentences: The use of Shelbourne Road and Lansdowne Road copies the name street crossings in Kenmare, County Kerry. The origin being that the Cromwellian army physician Sir William Petty also "moonlighted" as a part time ordinance surveyor/cartographer.