Foreign trust

Having read UBO information on the website I am very interested in the foreign trust policy. From what I understand; the original UBOT passes the distribution onto a "SIMPLE TRUST" foreign trust #1 , in which passes distribution onto foreign trust #2 "COMPLEX TRUST" , in which foreign trust #3 is beneficiary of foreign trust #2. Is it legal for the original UBOT trustees to maintain control by being trustees of foreign trust #2... , and trustees of foreign trust #3 and having my cest que trust, strawman, a legal person, the sole beneficiary of foreign trust #3? If this is not the proper process how can I maintain control through the birth of these different trust, can we create a fourth simple foreign trust in which distribution MUST be paid and I am sole beneficiary?