...

and  ascending From AbuKhadeejah.com - Shaikh

Grandmother's  husbands Muhammad Ibn Sālih al-`Uthaimīn
(from  mother's  or  father's  side) (rahimahullāh) "Manāsik al-Hajj wal `Umrah"
Consummation  is  a  must The mahrams due to
breastfeeding from a
woman take the
Grandfather's
Mother's husbands same ruling as those
(Consummation is from lineage
maternal  uncles
a must) ...and  ascending
...and  ascending
Father's  full  or  
...and  ascending ...and  ascending half  brothers
(paternal  uncles) Grandfather's  brothers
Grandfather
(paternal  greatuncles)

Grandfather's  brothers Grandfather Father

(mother's  paternal  uncles) (mother's side)
Mother's full or Father's  maternal  uncles
half brothers
(maternal uncles)

Full brothers Mahārim (mahrams)

Mother's maternal uncles
& half brothers of a woman

Brother's  sons
(nephews) Grandsons Sons Grandmother's
(from the daughter) maternal  uncles

Nephew's  sons Grandsons

or  niece's  sons Full or half sister's
sons (nephews) ...and  ascending
...and  descending
...and  descending
Her husband
...and  descending The husbands of
Nephews  sons her daughters
The  father  of (son-in-law)
her  husband or  nieces  sons
The  sons  of
(father-­‐in-­‐law) her  husband
...the  grandfather
of  her  husband  from The  husbands  of
...and  descending
his  mother's  and   the  daughters  of  
father's  side ...and  the  sons  of  her her  daughters  and  sons
husband's  sons  and   (granddaughter's  husbands)

...and  ascending daughters

...and  descending ...and  descending