Why would he have to "re-apply" for citizenship?
Foreign adoption of a minor child who is a US citizen does not void US citizenship.
If he were a US citizen on August 4, 1961 and if he did not renounce that citizenship after his 18th birthday, then whatever Lolo did or did not do is meaningless.
Indonesia does NOT allow dual citizenship. On his school records from Indonesia it states that he is a citizen of Indonesia.
Foreign adoption of a minor child who is a US citizen does not void US citizenship.
If he were a US citizen on August 4, 1961 and if he did not renounce that citizenship after his 18th birthday, then whatever Lolo did or did not do is meaningless.
I Believe Sven Magnussun pointed out that a Child can relinquish his American citizenship, but it can be restored at a later date. If this is so, it might not affect his rights as a "citizen" but it might very well affect his "Natural Born Citizen" status. If it is given up and not reclaimed by age of maturity, and if an "Affirmative Act" of allegiance is made to another nation, it can hardly be argued that such a person would not have a "divided allegiance" which is pretty much the entire purpose of the Article II clause.
Anyway, Sven has cited the process by which an American Child can lose his citizenship.