N-koo-loo-ma-neh
Here's a breakdown:
* N: Pronounced like the "n" in "new"
* koo: Pronounced like the "coo" in "cool"
* loo: Pronounced like the "loo" in "loop"
* ma: Pronounced like the "ma" in "mama"
* neh: Pronounced like the "nay" in "say"
It's important to note that the "u" in "Nkulumane" is pronounced like the "oo" in "moon", not like the "u" in "but".