Nestorius was already old and ailing and must have died very soon after.
Backed by this force he seems to have persuaded the ailing caliph to designate him as his successor.
He came back to find his father ailing, and in February 1831 he left Cambridge for Somersby, where a few days later Dr George Tennyson died.
The Persian campaigns wore out the feeble health of Peter, who had been ailing for some time.
From about 1796 Ampere gave private lessons at Lyons in mathematics, chemistry and languages; and in 1801 he removed to Bourg, as professor of physics and chemistry, leaving his ailing wife and infant son at Lyons.