Complex sentence: Mary Anna McCartney (previously McCartney-Donald) is a photographer from UK and the first biological child of rock photographer Linda Eastman McCartney and Paul McCartney of the Beatles, Mary was named after her paternal grandmother, Mary McCartney.
Split into simpler sentences: Mary Anna McCartney (previously McCartney-Donald) is a photographer. The first biological child of rock photographer Linda Eastman McCartney and Paul McCartney of the Beatles, Mary was named after her paternal grandmother, Mary McCartney.