Using Ancestry testing, siblings 8 and 9 (brother and sister), realized that they were both half-siblings of individual #3. Individuals 8 and 9 differ in age by 6 years. Individual 11 was confirmed to be the daughter of individual 9. Individual 11 was found to share ~25% of her DNA will individual 3 Ancestry image, please contact instructor for more descriptive information.

Using the image and facts above, answer the following questions:

1. What conclusion(s) can you make from these data? What do you think happened?

2. Through DNA testing, individual 13 was found to be the sister of 11. Based on these data, who else must individual 13 be related to? List the numbers of all individuals she must be related to.