Anne Cunnison Drysdale, a descendent of the Fife Drysdale family line together with her husband George Willioughby Hemans, a celebrated Welsh/Irish Civil Engineer  

https://en.wikipedia.org/wiki/G._W._Hemans 

produced a fine line of military offspring:

She was also the great great grandmother of the British Composer, Andrew Loyd Webber.

https://it.wikipedia.org/wiki/Andrew_Lloyd_Webber

Best regards