Richard Rigby, Esq., of Mirtley Hall, in Essex, was Paymaster-General of
the Land Forces from 1768 to 1782, when he was succeeded by Edmund Burke.
Horace Wm. Beckford, the third Baron Rivers, married, in Feb. 1808,
Frances, the only daughter of Lieut.-Colonel Frances Hale Rigby, Esq., of
_Mirtley Hall_.[8] It is therefore probable, that the correspondence and
papers referred to by K. K. may be in the possession of the present Lord
Rivers.