1. DON PERO¹ VELAZ DE GUEVARA has an unknown birthdate. He married (BN-7) DONNA MARIA DE SALZEDO, daughter of (BN-6) Don Sancho Garcia and (AB-2) Donna Maria Iniguez (de PIEDROLA). ^[2]
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DON SANCHO2 PEREZ DE GAMBOA, b. about 1200; d. about 1250; m. DONNA ANDREA DIAZ DE MENA.

2. DON SANCHO² PEREZ DE GAMBOA (Pero VELAZ DE GUEVARA¹), son of (1) Don Pero¹ and (BN-7) Donna Maria (de SALZEDO), was born between 1147/8 and 1214, and died between 1207 and 1324. He married DONNA ANDREA DIAZ DE MENA. ^[2]
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DONNA ELVIRA3 SANCHEZ DE GAMBOA of Toledo, New Castile, Spain, b. about 1218 of Toledo; d. about 1300; m. (OB-3) DON PEDRO LOPEZ DE HARO of Toledo, b. of Toledo about 1214, d. about 1290[3], son of (OB-2) Lope, El Chico and Bereguela (GIRóN).

3. DONNA ELVIRA³ SANCHEZ DE GAMBOA (Sancho², Pero VELAZ DE GUEVARA¹) of Toledo, daughter of (2) Don Sancho² and Donna Andrea (DIAZ DE MENA), was born about 1218 of Toledo, and died between 1236 and 1338. She married (OB-3) DON PEDRO LOPEZ DE HARO of Toledo, son of (OB-2) Lope, El Chico and Bereguela (GIRóN), who was born about 1214 of Toledo, and died about 1290^[3]. ^{[1, 2, 4]}
Child: See (OB-3) Don Pedro LOPEZ DE HARO