Given the question: Facts: - title: '' bin saud '' ' ' abdullah bin saud bin abdul-aziz bin muhammad - image: image-abdullah bin saud fss2.jpg Based on these bullet points, write a short biography describing the life of abdullah bin saud .
The answer is:
abdullah bin saud -lrb- -rrb- -lrb- killed 1818 -rrb- ruled the first saudi state from 1814 to 1818 .he was the last ruler of the first saudi state and was executed by the ottomans .although the ottomans maintained several garrisons in najd thereafter , they were unable to prevent the rise of the second saudi state from another branch of the house of saud under turki bin abdallah bin muhammad bin saud .