Klaus had another child before Hope.
The family took him in but dont see him as part of the family until they find out differently? Will it be too late?
A thousand years have passed for the Mikaelson's. They had tried to look for Samael but it was like he disappeared from the face of the earth that night. They knew he would have been a hybrid by now because it had been so long. Lots of things had happened since then.
Freya, Keelin, and Vincent all got married and had a baby each. Freya was an immortal witch as is Vincent but Keelin was turned by Hope. They moved as well, coming back to see the family. Although ever week they run a test to see if Sam is visible or not
Finn met a pretty red haired vampire and they went to travel the world. Coming back every so often to see the family.
Elijah eventually married Hayley they still live in New Orleans at the compound
Klaus and Caroline got married as well later in life they live in New Orleans but leave every so often to go somewhere or follow a lead on Samael.
As you know Kol and Davina married and no one is sure where they live
Rebekah and Marcel are still on and off as they both reside in New Orleans
Hope knew her brother would come back when he was ready and went on with her life. She's in a thousand year long love triangle with a hybrid names Raphael and a phoenix named Landon.
Josh took Sam's virginity and then the young teen disappeared before morning
at this certain time everyone was home besides Kol and Davina