Every weekend, we will visit Aunt Ina.
Every weekend we visit her.Mother cooks the lunch and we have a meal together.
.... is this your mother? If so;
My mother cooks lunch there and we all dine together.Later, my sisters, Aunt Ina and I will play chess.
... keep in present tense as this is a recurrent event.
In the evening, we will go to Lake Gardens.
Aunt Ina likes to sit beside the lake while my sisters and I will jog around the park.
On Sunday, we will return to our home.
We return home only on Sunday.NOTE: My English is bad so I need help at this forum. Hope someone can help me!
But you are quite good with grammar :)