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A concerned Mumsnet user said it’s “outrageous” for parents to bring uninvited siblings of invited children to birthday parties“I don’t know if I’m being mean about it,” the mom ponderedOther parents in the forum reassured her that she’s not being unreasonable for thinking that this is bad etiquette
A mother is outraged about uninvited guests showing up at kids’ birthdays.

The concerned parent turned to the community forum Mumsnet to discuss birthday party etiquette regarding siblings of invited guests.
“Am I being unreasonable to think it’s outrageous to bring a sibling to a party and then put them on the table to eat with all the kids that were actually invited, then take cake and a party bag for them,” the mom wrote. “I would never do this but I don’t know if I’m being mean about it.”
Parents arguing (stock image).
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In a Mumsnet poll under her post, 96% of the more than 700 voters responded “You are NOT being unreasonable” as their voting selection.
“People who do that are very entitled. It’s almost like invites need to have a disclaimer on them,” one person replied, while another reader commented, “Even asking if the siblings can come is cheeky as it puts the party parent in an awkward position — they’re going to feel they have to say yes.”
Parenting advice site The Everymom offered some tips to handle this.
“If you have other children, do not assume they can tag along. Often it is fine, and often invitations will note ‘siblings welcome.’ Yet, it’s always best to check,” the outlet wrote. “Some venues have limits and may charge per attendee. Plus, hosts are likely trying to figure out how much food to order, so it’s important they know how many people are attending. If you ask if a sibling can come, make sure the hosts don’t feel pressured to say yes.”
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