In the original French, Molyneux is plural, so I would accept that as plural without change.
The plural of "she" is "they", so the plural of "she had" is "they had".
The plural of rose is roses. The plural possessive is roses'.
The plural of 'bunch' is bunches.The plural of 'ant' is ants.The plural of 'batch' is batches.The plural of 'day' is days.The plural of 'chimney' is chimneys.The plural of 'tomato' is tomatoes.The plural of 'umbrella' is umbrellas.The plural of 'donkey' is donkeys.The plural of 'sky' is skies.The plural of 'foot' is feet.The plural of 'show' is shows.
Knights is a plural. It is the plural for knight.
applied is does not have a plural but is apply it does have a plural.
Molyneux's birth name is Edward Molyneux.
Robert Molyneux died in 1808.
Frederick Molyneux died in 1948.
Frederick Molyneux was born in 1885.
Maxine Molyneux was born in 1948.
Tim Molyneux was born in 1969.
Ian Molyneux was born in 1974.
Paul Molyneux was born in 1906.
Paul Molyneux died in 1980.
Emery Molyneux was born in 15##.
Fred Molyneux was born in 1873.
Richie Molyneux is 6' 1".