MySQL SELECT 1 Parent many Children values

I have one parent with many children and I would like from the parent Id selecting value from 3 children, if it’s possible.

I tried this

SELECT children1.value1, children2.value2, children3.value3 
FROM children1, children2, children3

JOIN ... Some code ...

WHERE parent.id = 1;

I’ve tried to write the JOIN with no success …

Answer

SELECT c1.value1, c2.value1, c3.value1 
FROM parent p 
LEFT JOIN children1 c1 ON c1.idParent = p.id 
LEFT JOIN children2 c2 ON c2.idParent = p.id
LEFT JOIN children3 c3 ON c3.idParent = p.id
WHERE p.id = 1

LEFT JOIN is an assumption though.