Complex sentence: Marcelino however, of whom it was said inside the da Graca family, as recounted in the research done by Ms Dallum, had always been a'special child', went on to establish a unique and independent Christian ministry.
Split into simpler sentences: Marcelino however, of whom it was said inside the da Graca family, as recounted in the research done by Ms Dallum, had always been a'special child'. Unlike the conventional ministry of his brother, Marcelino went on to establish a unique and independent Christian ministry.