Robert Peter Lyon-Dalberg-Acton (born 1946) (b. 1946) Parents John Lyon-Dalberg-Acton, 3rd Baron Acton Daphne Strutt Children Christopher Richard Henri Lyon-Dalberg-Acton Patrick John Pascal Lyon-Dalberg-Acton William Benjamin Lyon-Dalberg-Acton Siblings Jill Mary Joan Lyon-Dalberg-Acton Mary Anne Lyon-Dalberg-Acton Peter Hedley Lyon-Dalberg-Acton John Charles Lyon-Dalberg-Acton Pelline Margot Lyon-Dalberg-Acton Charlotte Lyon-Dalberg-Acton Richard Lyon-Dalberg-Acton, 4th Baron Acton Jane Lyon-Dalberg-Acton Catherine Lyon-Dalberg-Acton Edward Acton Partners Michele Laigle