[4] After attending Exeter College, Oxford, favoured by many Devonians, Chichester commanded HMS Larke against the Spanish Armada in 1588.

[2] A year later he was with English forces in France fighting with King Henry IV against the Spanish in Picardy.

James Sorley MacDonnell, commander of the clan's forces at the Battle of Carrickfergus, was poisoned in Dunluce Castle on the orders of Robert Cecil to placate Chichester.

He oversaw widespread persecution of Catholics, and ordered the execution of two bishops, including the aged and respected Conor O'Devany.

In Howth's violent feuds with the new English settler families, particularly Thomas Jones, Archbishop of Dublin, and his son, and Viscount Moore of Drogheda, Chichester invariably sided against Howth but was unable to completely break his influence as he was a favourite of King James.

Initially, he intended that the number of Scottish planters would be small, with native Irish landowners gaining more land.

However, Chichester successfully campaigned to award veterans of the Nine Years' War land as well, funded by the City of London livery companies.

By her he had an only son: Lord Chichester died from pleurisy in London in 1625 and was buried seven months later in St Nicholas' Church, Carrickfergus.