I married my Step Sister Update

I married Marilyn on June 4th last year and Grace was indeed pregnant and had baby boy on January third this year. Marilyn had a girl on November 29th last year and we're all very happy how things are going, both children are healthy and I'm back fucking Marilyn and Grace joins in except for actual intercourse at the moment but is willing to resume our fucking as soon as she is over giving birth. Marilyn and I plan to have another 3 children and as for Grace she will take what comes she says and won't take any precautions anymore.