Complex sentence: Sir Robert Slingsby, 1st Baronet (1611--1661) was an English baronet, author and Naval commander, and in his last years a much-loved colleague of Samuel Pepys.
Split into simpler sentences: Sir Robert Slingsby, 1st Baronet (1611--1661) was an English baronet, author and Naval commander. In his last years he was a much-loved colleague of Samuel Pepys.