Complex sentence: It was at this point when the reinforcements of 1500 men from Ireton arrived and finally, Governer James Walsh called for surrender under orders from Lord Castlehaven that were given previously.
Split into simpler sentences: It was at this point when the reinforcements of 1500 men from Ireton arrived. Finally, Governer James Walsh called for surrender under orders from Lord Castlehaven that were given previously.