Original: Boyle was born in Lismore Castle, in County Waterford, Ireland, the seventh son and fourteenth child of Richard Boyle, 1st Earl of Cork. Richard Boyle had arrived in Ireland in 1588, obtained an appointment as a deputy escheator, and had amassed enormous landholdings by the time Robert was born.
Simplified: He was the fourteenth child of Richard Boyle, 1st Earl of Cork, who had arrived in Ireland in 1588.