The Scottish earldom was inherited by his niece Edith, daughter of his second brother the Hon. Major Paulyn Francis Cuthbert Rawdon-Hastings. The barony of Donington, which could only be inherited by male heirs, passed to his third brother Gilbert Theophilus, who became the third Baron.
When the original earl died, his niece Edith, the daughter of his second brother, took over the Scottish title. At the same time, his third brother Gilbert Theophilus gained control of the barony of Donington, which could only be held by males.