Complex sentence: Ed Roberts made his debut appearance in February, followed by Declan Macey's half-sister, Megan shortly after, her son Robbie first appeared in May, while Kerry Wyatt arrived in July.
Split into simpler sentences: Ed Roberts made his debut appearance in February, followed by Declan Macey's half-sister, Megan shortly after. Robbie began appearing from May, while Kerry Wyatt arrived in July.