VIDEO : How Is The Curse Of La Llorona? Part Of ?The Conjuring? Universe?

There are five films in the Conjuring Universe: The Conjuring, The Conjuring 2, Annabelle, Annabelle: Creation, and The Nun.
They have made a combined $1.5 billion at the box office on a collective $118.5 million budget.
The Curse of La Llorona is the new film in the series.
It was made for only $15 million, is ?currently forecasting a $17+ million debut.?
How does it fit into 'The Conjuring' series?
Annabelle, from previous Conjuring film, makes an appearance.
The movie holds a 30% fresh rating on Rotten Tomatoes.