Complex sentence: Issa's half-brother was born two years later, and when his grandmother died when he was 14, Issa felt estranged in his own house, a lonely, moody child who preferred to wander the fields.
Split into simpler sentences: Issa's half-brother was born two years later. When his grandmother died when he was 14, Issa felt estranged in his own house, a lonely, moody child who preferred to wander the fields.