Pictures of the kittens shortly after they had arrived at their new home, when they were eight weeks old:

Jack      Sophie      sibling rivalry

Jack and Sophie looking more relaxed (and climbing curtains):

around nine weeks old

I haven't been taking many pictures of them recently, but here are some:

both at nearly four months old

both at five months old      Sophie at five months      Jack at five months

Earlier pictures: at six and one weeks old