You guys are very lucky. You have 5 cousins who you see often and you all get along pretty much most of the time. There is 5 and 3/4 years between all 7 of the cousins (Felix being the eldest and Jemima being the youngest) so it's pretty hectic but that means that you are all a pretty tight unit and when we are all together and there is someone who you can play if someone else doesn't.
I had been trying to get a photo of all of you for quite some time. It's pretty tricky as not everyone understands and in this case, we couldn't get Jemima in as she was only 3 weeks old.
I love that the photo is not perfect. I love that your personalities are shining through and I love that you Ryan, are looking to Felix, who you admire. While Elliot, you are looking to Ryan, who you admire.
Everyone is learning to get along with each other and play nicely. It's a hard thing to learn and it can take years but you have to teach the younger cousins how to behave and what to do. It's your job to help out the younger members of your family. They look up to you and learn from what you do. Don't be afraid to offer to help. Don't think you are too good or busy to help. It only takes a few seconds to help someone out. They will appreciate your help and that you took the time to help them. That puts kindness into the world and will warm their heart.
Start with helping your family. Then help your friends. It's OK to help strangers too. Be the person who walks up and says, "Can I help you?"