How many persons between I and the one who joined company in November 23?

The person who joined the Company on 21 st May was 17 years old. Number of persons who joined the office after A was thrice as the number of persons who joined before the one aged 21. There were 3 persons who joined the office between the one who was aged 21 and J. J and C joined the company in the same month. There were 4 persons who joined the company between H and the one who was aged 35 years old G was aged twice as that of E who joined the office just after H  I joined the office just after F.F joined the company on a 23 rd . D joined immediately before G (simulataneoulsy not possible so this CASE 1 is eleminated.) The number of persons, who joined before I, was equal to the number of persons who joined after the one who was aged 29 years. 15. E was elder to I and they were born in consecutive years. The eldest person was 44 years old.G was aged twice as that of E So the final arrangement is