The most common and most likely answer to this crossword clue is the 7 letter word ABRAHAM
I've seen this crossword clue in Financial Times
A
B
R
A
H
A
M
More clues leading to the result ABRAHAM
- What woman might have on Noah’s son, follows a patriarch
- A supporter acting inappropriately for patriarch
- A poor actor will need support in Lincoln?
- A Hindu god, minutes later, becomes Jewish patriarch
- Patriarch sees a female supporter with Noah’s son
- Support of women cut under a patriarch
- Patriarch, a racing driver once losing heart
- Isaac’s father, in a bar, upset poor actor
- A poor actor receiving support in Lincoln?
- A top husband, mother builds up father
Buddy explains!
The straight part
We know that "Patriarch" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case patriarch = abraham.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.