Complex sentence: Mackintosh was born in Tirhut, India, on 1 July 1879, one of six children (five sons and a daughter) of Scottish indigo planter, Alexander Mackintosh, a descendent of the chieftains of Clan Chattan.
Split into simpler sentences: Mackintosh was born in Tirhut, India, on 1 July 1879. He was one of six children (five sons and a daughter) of a Scottish indigo planter, Alexander Mackintosh, who was descended from the chieftains of Clan Chattan.