There isn't really any significance of Hugo as a character, he is simply the son of Hermione and Ron and plays no part in the stroyline aside from showing how they have a family in the future.
Hugo Weasley was played by Ryan Turner.
Hugo and Rose Weasley.
Hugo Weasley is the youngest child of Ron and Hermione Weasley. he has an older sister named rose.
Rose and Hugo Weasley.
Rose Weasley is the daughter of Ron Weasley and Hermione Granger, sister of Hugo Weasley.
Ron Weasley has two children with Hermione Granger; Rose and Hugo. Harry Potter had three children with Ginny Weasley; James Sirius, Albus Severus and Lily Luna. Harry is also Teddy Lupin's godfather.
Harry Potter's oldest child is James potter because he was the first one of harry's children to go to hogwarts.
two. Rose and Hugo
he marries Hermione and has two children: Rose & Hugo
Ron and Hermione's children are called Rose and Hugo Weasley.
Harry Potter and Hermione Granger are fictional characters, they don't exist in real life. In the series, Harry had three children with Ginny Weasley: James Sirius, Albus Severus and Lily Luna Potter. Hermione had two children with Ron Weasley: Rose and Hugo Weasley.
There may be auditions for: Rose Weasley Hugo Weasley James Potter Jr Albus Potter Lily Potter Jr Lily Evans (as child) Severus Snape Petunia Evans