Michael 's father was Ralph Charles Donaldson - Hudson .
His great - grandfather was Ralph Charles Donaldson - Hudson       , a one - time member of Parliament for Newcastle - under - Lyme , Staffordshire .
Michael 's father was Ralph Charles Donaldson - Hudson , and his great - grandfather was Charles Donaldson - Hudson , a one - time member of Parliament for Newcastle - under - Lyme , Staffordshire .