I’m part of the Online Community team and I can see that you are new to the community - thank you for having the courage to share this with us. I’m so sorry to hear about your grandma and your mum. Many of our members have sadly experienced the death of a loved one, so you’re among people who understand some of what you’re going through.
I’m sure someone will be along to offer their support. In the meantime, you may wish to look at these Sue Ryder resources which might be helpful.
Our Grief Guide self-help platform which has information, resources and advice to help you through your grief
I’m so sorry to hear this. The loss of one amazing loved one is difficult but two in such a short space of time must be almost too much to bear. Have to thought about any counselling or found anyone professional you might be able to talk to and try and make sense of how you’re feeling? Perhaps even your GP might be able to help and point you in the right direction? Sending love