Complex sentence: A man of humble background, he is proud of the fact that as a single parent he managed to raise two decent children all by his own hard work, and affectionately calls his daughter "Pumpkin-nose".
Split into simpler sentences: A man of humble background, he is proud of the fact that as a single parent he managed to raise two decent children all by his own hard work. He affectionately calls his daughter "Pumpkin-nose".