Complex sentence: Barbara Ogier was the daughter of Maria Schoenmaeckers and Willem Ogier, playwright and, from 1660, also the "factor" (principal author) of the De Olijftak (the Olive Branch) chamber of rhetoric.
Split into simpler sentences: Barbara Ogier was the daughter of Maria Schoenmaeckers and Willem Ogier. Her father was a playwright and, from 1660, also the "factor" (principal author) of the De Olijftak (the Olive Branch) chamber of rhetoric.