HEL-ən FRANK-ən-thal-ər
Here's a breakdown:
* HEL-ən: The "e" in "Helen" is pronounced like the "e" in "bed".
* FRANK-ən: The "a" is pronounced like the "a" in "cat".
* thal-ər: The "th" is pronounced as in "thin" or "thank". The "a" is pronounced like the "a" in "father". The "er" at the end is pronounced like the "er" in "her".