My Rich Aunt pt2

My aunt Kimberley asked me to get her pregnant, as I was closest living male from her late husband's side. I agreed and she got pregnant and had our son Bruce after her late husband. I kept living with her and was still dating girls and finally met Alison 25 and we are marrying next month, got engaged in February and Alison is now pregnant, positive test by doctor last Monday. We are both living with Kimberley and baby Bruce, Kimberley had started joining us in threesomes as she wants another baby and Alison already knew that Bruce was my son, and she is happy that Kimberley has the chance to have children connected to her late husband's bloodline. Alison is also bi-sexual and when Kimberley said she was ready to try for another, Alison said we should make it a group effort. The group session has seemed to the trick as Kimberley has missed her period and is getting tested next week. Haven't told anybody outside our little group yet, waiting for a positive result.