What Happens If… You Die Without A Will?
If you were unmarried with no children, your estate will be allocated in the following order: your parents, full siblings, half-siblings, grandparents, uncles and aunts (then their children), half-uncles and half-aunts (then their children).
Article source: https://www.huffingtonpost.co.uk/entry/what-happens-if-you-die-without-a-will_uk_641068b1e4b0a3902d2cd37d