1. German origin: In German, "Haake" is pronounced "HAH-keh". The "a" sounds like the "a" in "father," the "k" is pronounced like the "k" in "kick," and the "e" is a short, unstressed vowel.
2. English origin: In English, "Haake" might be pronounced "HAYK", with the "a" sounding like the "a" in "hay" and the "k" pronounced like the "k" in "kick."
To be sure, it's best to ask the person who has the name how they prefer to pronounce it.