Read the following passage:

William and his wife Olivia have a family of three generations comprising of thirteenmembers. Some of Olivia’s children are married, but none of her grandchildren ismarried.
I. Olivia has a daughter-in-law named Victoria and two son-in-laws, one being Jack.
II. James brother is Michael.
III. Michael has two nephews and two nieces, one being Luna.
IV. Victoria, who is sister-in-law to Michael, has four nephew and nieces. Victoria hasno children.
V. Parker, who is married to Charlotte in the family has a daughter Violet and a son.
VI. John has a sister and two cousins, Dylan and Violet.
Answer the following based on above informations: