Complex sentence: When his mother, who had visited Eric only every now and then up to that time, married Jean-Yves Bichet, she took again care of her son, very much to his dislike, and took him to their home in Solliès-Pont.
Split into simpler sentences: When his mother, who had visited Eric only every now and then up to that time, married Jean-Yves Bichet, she again took care of her son. Much to his dislike, she took him to their home in Solliès-Pont.