Borlase was well acquainted with most of the leading literary men of the time, particularly with Alexander Pope, with whom he kept up a long correspondence, and for whose grotto at Twickenham he furnished the greater part of the fossils and minerals.
The young couple took a house at Warninglid, in Sussex, which did not suit them, and then one in Montpelier Row, Twickenham, which did better.
2 He settled with his brothers at Twickenham, near 1 As M.
His attitude in the House of Peers in the autumn of 1815 cost him a two years' exile to Twickenham; he courted popularity by having his children educated en bourgeois at the public schools; and the Palais Royal became the rendezvous of all the leaders of that middle-class opinion by which he was ultimately to be raised to the throne.
On the 30th of May 1864 he married his cousin, the princess Marie Isabelle, daughter of the duc de Montpensier; and his son and heir, the duc d'Orleans, was born at York House, Twickenham, in 1869.