Harry Potter and Supposed dead

3 years after the 2 wizarding war, Harry potter now 21 married ginny and has 2 children .One day Harry and Ron go into work but what will they say when everyone that died at th hand of moldywarts came back??? how will harry react to seeing his parents and how will Tonks and Remus to seeing 3 year old Teddy Lupin

(In my book Teddy is a year older than James)