Complex sentence: He was educated at Fettes College, Edinburgh, where his uncles James Glencairn Cunningham and Dunlop McCosh Cunningham had attended, he then went on to read biological sciences at Clare College, Cambridge, where his uncle and politician Sir Knox Cunningham, BT had also attended.
Split into simpler sentences: He was educated at Fettes College, Edinburgh, where his uncles James Glencairn Cunningham and Dunlop McCosh Cunningham had attended,. He then went on to read biological sciences at Clare College, Cambridge, where his uncle and politician Knox Cunningham had also attended.