Law of succession

1.1 Jack died intestate. He was married in community of property to his wife, Jolene. He is survived by Jolene, two sons David and John, a daughter Mary, a granddaughter Molly (the daughter of David), and grandsons Keke and Solly (the children of Mary). The net joint estate has a value of R1 600 000.00. (1 million six hundred thousand rand). How will Jack's estate devolve in circumstances where Jack was murdered by his son David and in case Mary also renounces her right to receive a benefit from Jack's estate? Refer to relevant authority. [25] 1.2 Discuss the formal requirements for the execution of a valid will in terms of the Wills Act, 1953 [15] 1.3 Who qualifies as a competent witness in terms of section 1 of the Wills Act? [4] 1.4 Briefly discuss the basic requirements for the application of section 2(3) of the Wills Act. [6]