On-line Te Reo Māori Dictionary

Nō muri i te piringa o Rangi rāua ko Papa ka whānau mai ngā tamariki.
After the union of Rangi and Papa, the children were born.
Belonging to the past - nō

Nō te wā o te piringa o Rangi rāua ko Papa ka tupu te werawera, ka rērere te kohu.
At the time of the union of Rangi and Papa, the heat grew, the mist rose.
Belonging to the past - nō

Nō mua i te piringa ki a Rangi, ka moe a Papa rāua ko Tangaroa.
Before the union with Rangi, Papa was in a relationship with Tangaroa.
Belonging to the past - nō

I muri i te piringa o Rangi rāua ko Papa ka whānau mai ngā tamariki.
After the union of Rangi and Papa the children were born.
Talking about more than one person - ...rāua ko..., rātou ko...