[2] After his father's death, his mother remarried Reverend Ossory Medlicott, vicar of Ticehurst, Sussex.

On 22 February 1605, grants of Market and Fair for Longford were given to Lord Baron Delvin by the King.

Licence to hold a Thursday market and fair on the 1st of August, and two days at Longford, with the usual courts and fees.

[5] King James I also granted to Lord Baron Delvin the Island and monastery of Inchemore in what is now County Longford, otherwise Inismore, in the Annalie.

[6] King James did grant Lord Baron Delvin about 1/2 of the County Longford in a massive grant of lands and castles including Castles Newton, Lisnovoa, and Monilagan.