He became Earl of Portarlington in 1845 on the death of his uncle John Dawson , 2nd Earl of Portarlington and resigned his Yeomanry commission in November 1848 .
On 17 November 1841 , he was commissioned a cornet in the Dorsetshire Yeomanry .
He became Earl of Portarlington in 1845 on the death of his uncle John Dawson , 2nd Earl of Portarlington and resigned his Dorsetshire Yeomanry commission in November 1848 .
On 17 November 1841 , he was commissioned a cornet in the Dorsetshire Yeomanry .