if you are saying to to a male: tishmor al achicha (תשמור על ×חיך)
if you are saying it to a female: tishm'ri al achich (תשמרי על ×חיך)
sister and brother = achot veh ach (×חות ו××—)
ha'ah hanotzri sheli
atah akhi? (אתה אחי)
"Brother of" and "brother" are written and pronounced the same: ach (אח) (ch is a gutteral sound)
עלי להגן
my big brother = achí ha gadól (אחי הגדול)
akh katan (אח קטן), which literally means "little brother". ha-akh ha-tze'ir (האח הצעיר), which literally means "the youngest brother"
The Hebrew translation for 'brother-in-law' is GIS גיס.
You say 'Yalda' in Hebrew
Peace, our brother = Shalom, ach shelanu (שלום, אח שלנו)
protect and serve = לשמור ולשרת
My brother's mailbox in Netanya.