Complex sentence: Finally in 1313 Geoffrey admitted defeat, submitted to the grace of the Mayor and Corporation of Dublin, promised to make amends for his trespasses, and bound himself and his family in the sum of 500 silver marks not to trouble the city any further.
Split into simpler sentences: Finally in 1313 Geoffrey admitted defeat, submitted to the grace of the Mayor and Corporation of Dublin. He promised to make amends for his trespasses, and bound himself and his family in the sum of 500 silver marks not to trouble the city any further.