Complex sentence: Sir Henry Sidney in 1577 made a cryptic reference to his "father and grandfather" having acquired substantial estates, and one or the other was probably the Barnabas Skurlock who received a grant of lands in Meath in 1529.
Split into simpler sentences: Sir Henry Sidney in 1577 made a cryptic reference to his "father and grandfather" having acquired substantial estates. He was presumably a close relative of the Barnabas Skurlock who received a grant of lands in Meath in 1529.