1. If Mrs. "B" got the divorce from Mr. "A" through a competent Court decree, then she will not have any right over the property of Mr. "A" and the child (Mr. "C") born to her from someone else shall not have any right in the properties owned by Mr. "A".
2. A Gift can be given to anyone, including the legal heirs and even if Mr. "C" does not belong to the male lineage of Mr. "A", still he could receive the self acquired property of Mr. "A" as Donee. However, if it were to be an Ancestral Property, then the Gift Deed executed by Mr. "A" in favour of "C" is Null and Void.
3. If the Gift Deed was executed when the Donor was under sedation, then it can be challenged in the competent court of law for quashing the same.
4. DNA testing on Mr. "C" will be able to determine as to know whether Mr. "C" belongs to the male lineage of Mr. "A" or not, to know the legal rights of Mr. "C" s entitlement to the self acquired and ancestral properties of Mr. "A".
5. Regarding Mrs."B" s entitlement to the other self acquired property- Already explained under Sl.No.1 above.
6. Regarding Mr. "C" s entitlement to the other self acquired and ancestral properties depend on his male lineage, to be proved by DNA test on him.
7. Regarding Mrs. "D" s entitlement to the other self acquired properties of Mr. "A" depends on the fact that, whether the court decree of divorce was obtained by Mrs. "B" and if so, whether the second wife Mrs. "D" got married to Mr. "A" after divorce or not determines Mrs."D" s entitlement.
8. Regarding Mr. "E" s entitlement to the self acquired property of Mr. "A", depends on if only Mr." A" dies intestate (without executing a WILL). However Mr. "E" will be entitled to the ancestral properties of Mr. "A", since birth.