Which preposition to use with monckton

at Occurrences 1%

"The next year I repeated my visit to Felpham, and found the Moncktons at Bognor, with their brother and sister, Viscount and Viscountess Galway.

of Occurrences 1%

Lady Betty Manners is on the brink of matrimony with a Yorkshire Mr. Monckton of £3,000 per annum: it is a match of the young duchess's making, and she thinks matter of great triumph over the two coquette beauties, who can get nobody to have and to hold; they are decayed to a piteous degree and so neglected that they are grown constant and particular to the two ugliest fellows in London.

Which preposition to use with  monckton