<P> After the end of the series , Tracy maintained a friendship with his on - screen wife Alison Arngrim ( Nellie Oleson ) . Arngrim and Tracy were very close while filming on the set . During the series , there were rumors that he and Arngrim were having a love affair , but Arngrim says that was untrue . Arngrim has also stated that she was the only one on the set of who knew that Tracy was gay . </P>
<P> After the end of the series , Tracy maintained a friendship with his on - screen wife Alison Arngrim ( Nellie Oleson ) . Arngrim and Tracy were very close while filming on the set . During the series , there were rumors that he and Arngrim were having a love affair , but Arngrim says that was untrue . Arngrim has also stated that she was the only one on the set of who knew that Tracy was gay . </P>
who played nellie 's husband on little house on the prairie
who played nellie 's husband on little house on the prairie
Tracy
Tracy