Kate Middleton and Prince William are the parents of three children.

Royal fans frequently speculate on whether the couple will have another child.

Kate Middleton joked that if she had another child, Prince William would "kill" her.

According to a royal expert, the Princess of Wales has expressed similar sentiments.

Fans have responded positively.

Some believe the couple will have another child, while others believe it is unlikely.

A fourth child, according to one supporter, would necessitate a larger living space.

Another fan wished the couple would have twins.

Fans are still interested in the royal couple's family plans.